U.S. stocks surged on Feb. 6 in a stunning turnaround that saw the blue-chip Dow soar more than 1,200 points to pierce and close above the 50,000 mark for the first time ever.

The Dow Jones Industrial Average closed above 50,000 points for the first time in the 140-year history of the stock index.

Shares in Amazon shares dived 7.7 percent after the computing and retail titan reported strong sales but significantly boosted tech-spending estimates after markets closed on Thursday.