On Thursday, Amazon’s stock hit a new all-time high, closing above $800 a share for the first time. In the broader market sell-off early this year Amazon had traded as low as about $500 a share. For the year-to-date the stock is up about 19 percent, though the biggest movement was in 2015, when shares more than doubled as the fast-growing AWS cloud services division produced significant earnings. A number of analysts have upgraded Amazon’s stock again recently, expecting it to keep rising to between $950 and $1000 a share. With this year’s again, Amazon currently has the fourth-largest market capitalization […]