crude pared the losses and that commodit climbed and so did the stocks. at the close, the dow jones was 93 points higher. it had been down more than 200 points and the nasdaq rose five points and the s&p 500 gained 12 points. mary thompson is at the new york stock exchange with more. >> a remarkable tu 200 plus p reverses th11n market closed indicating heavy selling weighed on u.s. stocks in the early trading.e day and that he. the index falling below a key technical level during tht level, held by -- helped by broad based buying that was seen later in the day.a decidey def stance as they await news from greece on wednesday. start of the u.s. earnings season. that's when alcoa reports and any more signs to stem a slide in the stock market are working. the groups that led the markets higher in tuesday's session -- utilities and consumer staples. for "nightly busine" i'm mary exchange. though oil losses may have pared the losses they still fell. gold prices also tumbled and l very wary of what's going on in greece and maybe even more in china. jackie deangelis reports. concerns about eurozone's y and market vola fleeing from energy and meta currencies weake on the back the turmoil, the is priced in. >> i think the situation in greece is what everyone was looking at but it was a g out of that situation is a stronger dollar that had a lot of impact on all the markets. the dollar most definitely a factor in increased selling pressure in crude after logging second steepest loss this year oil sold off again today. traders tentatively eyeing the nuclear talks w iran. extended again. as a sign that genui had to do with fundamentals for a long time we were strong based upon i think fear in the market. bu what we had going on in syria, all i think is supply and sell-off. a double digit loss for gold on the day. no longer turm feeling the pain from the dollar index. copper is down 10%. an indicator of how the market for "nightly busine" jackie deangelis. and as for that volatility in china, stocks in that countrye the shanghai composite is made up of shares bought and sold by retail chinese investors and fell to fresh bear market lows. stocks are off more than 27% since the highs of mid june. well, for more on greece afr a four-hour summit of eurozone leaders, there is still no deatt what they did agree on was to meet again on sunday. as the demands on greece intensifie cutmore has the ever >> the bot don't have an agreem no not enoug negotiatio now, it's hoped that over the next couple of days greece will come back with something fresh. the german chancellor wants the time at least to take that through her own parliament. right now, plenty of commitmef keeping greece with the eurozone but right no. we will fi that emergee on sunday will cutmore for "nightly b" in brussels. meanwhile in greece the econy continues to grind to a halt as banks remain closed and small businesses struggle to transfer operations michelle c >> tourism is the single mostmon 20 billion euros in revenue last year. july and august the peak of the season. this is a period where i should say that everything is going fine we're in the middle of july. things are in a period where everythi should be running along. it's quite the oppose board of directors of the hotel associatio and he said cancellati rolling i'm really hoping this is not going to last for very long. >> b businesses of every kind are suffering. the banks have been shut for more than a week. although online banking is permitted inside greece no one is permitted to transfer money outside of greeces. this is the ceo of tts pharmaceut needs to purchase products overseas. if this goes on for longer it's going to become a real issue. tough on the company. five years ago revenues were 60 million euros a year and now they hav fall on th 25 million. i haven't been sleeping okay in the past five years to be honest. the founder of the weather website hosts the site on servers the united states. >> you need servers on the cloud. like amazon, google. rent the machines and deploy your soft unemployme in greece has finally start improve late last year but this banking crisis threatens to un now to the u.s. economy. the u.s. trade deficit widened in may because of the drop in exports. over wea overseas demand and a strong u.s. dollar. the difference bewa a little bit less than expected. >> opens remained at a record high in may. according to the labor departme the number of open positions ros 16% when compared to the same period last year. but the report highlighted the growing split between openings and hires as the number oco employers are having trouble finding qualifie candidates. > the international monetary fund warning today ie central bank could risk stalling the economy. this is part of the imf's push to put off a hike in u.s. st too much uncertaint around. hovering around inflation, trigger. a hostile bid, irs bringing the take rebuffed them to negotiate. depo med focuses on products e drug industry. shares of depot med soared. meantime health insurers ar final. and they all finish aetna and humana. and on a pace for one of the best years since before the financial crisis. according to deal logic more than $2 trillion worth of merger deals have be announced so far this year. and while that may be good forr consumers and main street? joined by diana moss who is president of american antitrust institute and adele farr who is law firm. n there are a lot of industries from insurance where the big six cable television where the dominant percent of broadband in some mergers go through. airlines where the big four control 80% of the marketplace. why shouldn't consumers be worried that this is not good for them even though it's very good very good for the ceos who pull the mergers off? >> well,it good for one of the things that i think -- >> time warner ceobu i think on the act i think certainly tryin is a very, very big prop go down the and while o turn out to be somethin that gets them turned out of office pretty quickly. so i think one of the things that's driving the m & a activity we ar seeing is increasing con of executive ceos and boards and that's really the driv addressed ha regulatory agencies, t.s at any time in the past. diana, why don't you weigh in but we have also seen an that really reduces competit and also the quality of service. >> it does. and we have seen a tremendous amou of consolidation irg lax merg a lot of mer on the basis of claims that these deals will reduce costs and those costs will be passed on to consumers. and we're just not seeing it. we are seeing huge consolidation in and yes, we are seeing more on feeding frenzy in this shuffle of tremendo consolidation. the number of competitors is down to two and three major competitor limits the consumer's choice. we have now seen evidence of merger. quality is certainly a key issues especially wher concerned about the effect on consumers and the ef you hav a few competitors part of the issue is that especially today and what i think we would all acknowledge is an increat to ask coy to continue to platform t m & a as a tactic for n terms of product offering which consumers are cag for. >> let's take the example of the healthnsn the united states. cellular t -- i take your y or in the world e auto business where a big proposal from chrysler to merge -- it's not a question of global scale. >> b historical roots of those businesses to t local enterprisda you knowy as the market r are demanding more and more product, services and access, as part you know it's the basic -- it's the basic calculus do you buy or do you build it? an and buying it is the course of the path of least resistan debate that desire of firms by consumer demand. and a lot of these scale economies and scope economies are we going to growth on the backs of the american consumer in terms of higher prices and conversati. we can spend an hour on it. thank you. we appreciate you being with us. >> thank you. and still ahead, crafting the perfect pitch to the world's largest retailer. s we begt merck. the botox maker will buy the experime migraine drugs for $250 million. merck could also receive royalty payments. allergen was up a fraction to 307 and merck finished at 57. leisure propertit leases property upped the bid for pinnacle's real estate assets. it's at $5 billion and they haven't rejected the company's and leisure down 2.5%. pinnacle up nearly 6% to 39.64. a rare sell rating sent shares of shake shack sliding. morgan stanley downgrading the stock, writing that it's overpriced. separately t company debuted a chicken sandwich today but it wi tumbled 7%. and carnival is setting its sights on cuba. the cruise operator gaining u.s. approval to travel to the country but it's still waiting to get the okay from the island nation's authorities. shares of c at $50.20. >> sandwich. e soon. you can get the twinkies in brooklyn and everywhere, ic a sale. but they denied that rep either a sale or an ipo. ur hoping to sig a deal to get products on their shelves and they w >> it's ev. >> being able to pitch your s just been you know a business changith wood fired pizza is one of thousands of products walmart is considerin adding as part of its pledge to buy $250 billion ad. the duo hopes kettle pizza will be the next taco place. at last year's open call event, walmart ordered 1 million on the spot. 2 1/2 years into the effort walmart declined to quantify how many made in america products it sells or exactly how much closer it is to hitting that big target. r than to say it's right on track where it needs to be to hit the goal. >> there's three ways that with we'll hit that $250 billion goal. one, this is a great example of finding new products that are made in the u.s. that aren't currently sold at walmart the second one is reshoring products making them closer to the point of consumption and buying more of what we're alre anoth b part of it. jobs will be created. creating ame it's a rip a steady income and they can take the personal pride in wh they make. that's very imp to us. >> so far, neither walmart nor analysts can quantify a measurable sales impact from the made in the usa initiative. while consumer reports says almost 8 in 10 american consumer would prefer to buy buying follows stated inte i'm courtney reagan in arkansas. and late today walmart said it is working to get kettle pizza on walmart.com as quickly as it can and says it expects to have the product in a small number of stores next spring. coming up pirates do it so do terrorists. hostage taking is big business for criminal organizations. but also for the experts trying to counter it. the first part of o here's what's to watch for tomorrow. federal will release the minutes from the june meeting. it's the unofficial start of earnings season. alcoa reports the quarterly mortg applications that's what to watch for wednesda sue, even hacking companies aren't i italian firm called hacking team that allows governments to hack into computers has become a victim of hacking itself. files stolen from the company indicate it sold d the united states. it is certainly not something any b according to the state department majority of overseas kidnappings of u.s. citizens go unreported. and last year alone more than two dozen americans working for companies were taken in terrorist incidents. tonight a rare glimpse into the companies responsible for rescuing and training people who find themselves in danger zones arou the world. amin javers has the first pne >> images like thee prevale they are the busiest companies responsie for rescuing victims are becoming as well. >>d e we launched the business in 2013. >> we've got a glimpse into the many companies involved in kidnapping ransom and extortion here in washington, d.c. starting with this hostage insurance broker. >> it is thinking of everything that could go wrong. that's how we get paid is to think n help finance their risk. >> to help finance the rise clients which range from ngos to at buy kidnapping insurance. it will provide for any losses tt a nonprofit has in the event of a kidnapping ths range from a few hundred to tens of thousands of dollars a year. >> we pay for their services. that's where the most immediate payout goes. >> olive group provides crisis consulting and hostage negotiat services. >> we ar advising clients on how to resolve the situation, how to speak to the kidnappers or the extortionist how to maintain that dialogue divert the negotiations and then we remain with them through the t course like this. we giv them a taste of what it might be like and hopefully they'll take the lessons forward if it's for real. >> business has increased mightily in the last year 12 months. pilgrims charges around $2,500 per person for a two-day training course. crisis con $3,000 to $3,500 a day. >> in all -- how much is paid out every year? >> roughly about a $2 billion a year industry. $2 billion? >> mm-hmm. >> that's a lot of money. of mo'ne. >> going to bad people. >> and they don't have to worry about going out of business any time soon. >> kidnap for ransom is very much an on going and growing problem for the world. as such i think we will have business for many years to come. >> for "nightly busine i'm amin javers. >> for more on the business of kidnsi simulated kidnapping training courses in the second part of s ransom." and that will do it for "nightly tonight. sue herera. thanks so much for watching. thanks from me as well. i'm tyler mathisen.rr >> tonight on revolutionaries... >> and then we've built our own virtual internet on top of the real internet. you know, we use our own routing protocols, our own communication protocols, our own app layer enhancements to make it go really fast, you know, the way you would build the internet if you owned the whole thing and were starting over. >> tonight we'll learn how a $50,000 challenge grant in 1998 produced the technology that keeps much of the internet running today. meet self-described "algorithm guy" tom leighton, an mit professor turned corporate ceo, and learn the fascinating story of akamai.