This article is an excerpt from the InvestorPlace Digest newsletter. To get news like this delivered straight to your inbox, click here. In February, AI superstar Nvidia (NASDAQ:NVDA) announced fourth-quarter earnings that blew expectations out of the water. Shares rose 16% in a single day, adding $34 billion to shareholder pockets. The fascinating thing, however, was what happened afterward. Because over the following month, shares of Nvidia rose another 20%. Even if investors completely missed out Nvidia' ...