the fight to be the world's most valuable company heats up, after apple announces new ai tools on its devices. and how long can you survive without your smartphone? we put a group of british teenagers to the test. hello and welcome to business today. i'm arunoday mukharji. apple shares have surged to a record high, after it unveiled new ai tools. the tech giant is now valued at $3.18 trillion, just behind microsoft which remains the world's most valuable company. from new york, erin delmore has the details. investors have been waiting for months to see how apple would embrace ai and propelled many other tech trains to big market gains. on monday they got their answer, a partnership with openai. and chatgpt powers for cre plus some enhancements like proof reading and writing help and ai generated images and emojis. and even though the news came on monday, it was not until tuesday that the market rewarded apple's efforts. on monday apple shares actually closed down around 2%. but on tuesday, shares ended the day up 5% to around $203 per share. that is a new record high for apple, better than december. those new ai tools are only available on newer models of apple products like iphone 15 pro the older series won't do it neither will the base model and i've max will need to have apple preparatory and one chip or newer. and that if suitors are betting that consumers will upgrade their devices to take advantage of the new tools which would lead into mower sales for apple. staying with al investments. shares in oracle havejumped by as much as 11 percent after it announced cloud deals with google and openai. it comes despite the software giant's fourth—quarter results fell short of expectations. oracle is trying to catch up with cloud giants like microsoft who are seeing rapid growth as a result of tie ups with openai. elon musk with jawed lawsuit against open ai, the case accused the ceo of abandoning the original mission of the start—up of developing artificial intelligence for the benefit of humanity and not for profit. no reason was given for the request to dismiss. policymakers at the us central bank are in session to decide on the cost of borrowing. the fed is expected to hold interest rates steady. inflation data is also due, but could that sway the fed's rate cut decision? let's bring in david chao, global market strategist at invesco. he says asian countries are in a good position to deal with any decision. we have seen some depreciating pressures in cases like japan with the currency given the interest rate differential and certainly all asian central banks are waiting with baited breath for the fed to cut rates. at the same time, i think that asian economies are on a much better suited this time around with their external buffers that can withstand some of this pressure, but certainly, rates are too high in asia in places like korea and thailand and they should have been cut already. if it wasn't for that. we are counting down to the us presidential elections and i want to get your thoughts. how do you think given the political scenario there, how are the politics likely to play on the economics going forward? from the market perspective, we have done crushed analysis and there is no rhyme or reason in terms if a democratic president or republican president is in the white house, what that means for asian markets. asian markets have largely shrugged this off. so let me say that heading into the presidential election, there could be a few jitters with asian markets, but we think it is mostly a near—term phenomenon. certainly president trump has previously said that he is going to increase tariffs against places like china and also other places around the world. that certainly would not be conducive to trade. whereas, joe biden has shown that he is more strategic when it comes to trading partners. so i think it is something that we are keeping a close eye on, but we are not worried from a long—term perspective in terms of the impact it will happen asian markets. india will continue to be the world's fastest growing large economy according to the world bank. the world's most populous nation is in the midst of a slowdown but is forecast to grow by 6.6% this year. the world bank says indonesia and vietnam are also likely to be bright spot among major economies in asia. singapore airlines said compensation offers to passengers on a flight that landed in a severe turbulence. dozens were injured and one person died. passengers with minor injuries have been offered $10,000 while those with serious injuries had been told that his can be discussed. how common is that? i put a question to alice taylor. it is an unusual circumstance and i guess to give singapore airlines their credit, they have been very proactive in putting out very generous compensation they are. it is one of those things where if you are in a major incident where there is composition that is there. but what we are seeing this with the larger airlines, they will top on amounts of that. and singapore airlines has done so previously, they have been quick to give payouts and above the limits. so it could be something we could see more of. we are hearing that turbulence is going to be more common going forward given climate change and other aspects. does this set a precedent, what about other airlines, will they be able to do the same? it goes down to, as more airlines come forward and give very generous payments when there is an incident or accident, it raises the benchmark quite a bake and comes something that globally the interesting works towards. —— the industry works towards. so i think we will see these payments become a little bit more normalised and a bit more generous compared to what you may have thought of before. really, it will depend on how isolated these incidents are. the opposite may also happen where if severe turbulence happens more often that the airlines may look to actually reduce those payments just because it becomes a bit more part of what is involved in travelling. how long can you last without your smartphone? a few hours? a day? well, we've followed a group of british teenagers to see how they cope without their smartphones for five whole days. it's fair to say some teenagers are pretty glued to their phones. ok, guys, point of no return. thank you. but this group of students are doing the unthinkable, locking them away for almost a week. you said your goodbye. yes. no tik—tok. no snapchat. no whatsapp. so, guys, these are your new mobile phone instead that we're using these for the next five days. the only way of communicating texts and calls. i want a nokia. i don't like it. they're going to have to learn a whole new set of skills for the next week to be able to adapt and continue their life as close to what it used to be. but with that mobile phone underpinning most of their activities, it's going to be a real challenge. it's like having a comfort item and interest goes. hat it's like having a comfort item and interest goes. not knowing what is going — and interest goes. not knowing what is going on _ and interest goes. not knowing what is going on on _ and interest goes. not knowing what is going on on a _ and interest goes. not knowing what is going on on a group - what is going on on a group chat— what is going on on a group chat makes me think what i'm missing — chat makes me think what i'm missing out on.— chat makes me think what i'm missing out on. usually before i no to missing out on. usually before i go to bed _ missing out on. usually before i go to bed i — missing out on. usually before i go to bed i watch _ missing out on. usually before i go to bed i watch disney - i go to bed i watch disney plus for an— i go to bed i watch disney plus for an hour_ i go to bed i watch disney plus foran hourand _ i go to bed i watch disney plus for an hour and then— i go to bed i watch disney plus for an hour and then drift - i go to bed i watch disney plus for an hour and then drift off. i for an hour and then drift off. since — for an hour and then drift off. since then_ for an hour and then drift off. since then i_ for an hour and then drift off. since then ijust _ for an hour and then drift off. since then ijust gone - for an hour and then drift off. | since then ijust gone straight to sleep— since then ijust gone straight to sleep and _ since then ijust gone straight to sleep and it's _ since then ijust gone straight to sleep and it's weird. - since then ijust gone straight to sleep and it's weird. i- since then ijust gone straight to sleep and it's weird. i feell to sleep and it's weird. i feel much — to sleep and it's weird. i feel much better. _ will's journey home takes over an hour. this is a service to actually have campus, a tram first, then a bus. so in terms of not having a smartphone, it makes it more difficult because i can't check the timetable. and when they say it's been delayed or something, i could at least ring my dad and ask for a lift, you know? will's mum allison admits not being able to use family tracking apps like life360 is a hindrance. but she's noticed big changes in her son just three days into the detox. actually, quite nice seeing you without headphones. don't see you that much normally. no. i think it'sjust become the norm. whereas actual social interaction does require you to put these things away and engage a little bit more. five days later, it's the end of term and time to get those smartphones back. maybe i'll put my phone away in the car and i'll put my phone away, like when i'm around my friends. but in general, like, going on to tik—tok everything, i'm still going to do that. like, ifanything, i'm going to do it more now. i think it's been pretty difficult without a smartphone, but i've managed to get through it all right. i'll try and use less tiktok, that's for sure. i know my screen time is quite high on that. judging by their initial reaction, perhaps the students aren't quite ready to give up their smartphones entirely, but the detox might start to slowly change their habits. christian johnson, bbc news. a quick look at more world news. game stop has raised around $2.14 billion from a share sale programme. retail investors have turbocharged the stock after influencer roaring kitty doctor up the shows following his highly anticipated return to youtube. she has a so—called mean stock up she has a so—called mean stock up by she has a so—called mean stock up by 5%. joey "jaws" chestnut has been told he cannot take part in america's premiere hot dog contest. it comes after the competitive eating star struck a sponsorship deal with vegan brand — impossible foods. chestnut has been removed from next month's nathan's hot dog eating contest in new york. nathan's and impossible are direct competitors in the hot dog space. and that's it for this edition of business today. thanks for watching. hello and welcome to sportsday with me, marc edwards. raising the bar — italy's olympic champion gianmarco tamberi thrills home fans by taking highjump gold at the european athletics championships. erik staying hag, the dutchman will remain as manager of manchester united following a post—season review. and still in with a chance, pakistan beat canada as they live to fight another day at the t20 world cup.