In a 10-day stretch, Jeff Bezos and Elon Musk have made something abundantly clear: They're competing in a world of their own. But Musk and Bezos' innovations aren't limited to the screens we stare at all day. Amazon stock closes at a record high, worth nearly twice as much as Wal-Mart (WMT). He also reveals he's going to sell $1 billion in Amazon stock each year to finance Blue Origin. Musk and Bezos are on a hot streak, but there are sure to be setbacks.

Source: CNN April 07, 2017 15:33 UTC