good evening. we hope you had a wonderful thanksgiving and we have all been looking for a white knight to rescue the american economy and today an army of holiday shoppers came riding in. some using shopping carts, some the click of a computer mouse. in fact, today half of all american adults shopped for bargains online. an estimated $1.2 billion shattering records giving a vitamin shot to wall street. the dow closing up nearly 300 points so we set out to answer a question tonight, does this signal the start of the comeback for the american economy? and abc anchor david muir tackles the question for us again tonight. i know you ve been tracking the numbers ail day long. they show it could be a blockbuster cybermonday. one estimate says sales up 20% over last year. what happens after you click place order online? tonight we track here what happens next. cyber monday is now the real deal. sales figures skyrocketing. shoppers breaking records since thanksgiving. $816 million s