i'm domenic chu. probably one of the single biggest stock stories of the week had to be what happened with amazon.com. now that stock ended an eight-day winning streak yesterday on a week where we saw three new record highs in succession, which means that amazon stock has now made 11 record inter-day highs just so far in 2017. now despite the momentum pause over the last couple of days, the total market cap of the campaign increased by $6 billion this week alone. to put that in perspective, that's nearly as much mark cap in a week as ralph lauren as a company is worth. or it's the total market cap of kohl's as well. if you think that's impressive, try the 20% in the stock this year. >> that translates into a whopping $71 billion in added market value or like roughly adding the size of american express. but can that run last? according to facts that 89% of analyst versus a buy ring on the stock and the remainder 11% have a hold. the average target price is 8% amove where we are now. after a listering r

domenic chu has surprises among the first quarter winners and sinners. >> reporter: if you had stocks as part of your portfolio in the first quarter of 2017, you have to be feeling pretty good at least so far. during the first three months of the year, we saw record-high levels for not just the dow jones industrial and the s&p 5 00 and nasdaq deposit. the mid-cap index and russell small cap index as well. there were a lot of reasons for the optimism. >> we saw a great quarter for u.s. stocks, up nearly 6% quarter-to-date. this is really based on factors. the first is that the u.s. economy continues chugging along. the second is that the global economy is finally picking up t. third is u.s. company earnings are back to the few positive territory. >> reporter: the first quarter rally was relatively broad based with nine out of 11 sectors in the s&p 500 in positive territory. technology stocks, apple and facebook were amooning the best performers, energy stocks, exxonmobile and chevron were the big lagers. as to whether or not the market can continue, some experts believe it will come do