Over the past few years, it’s become clear that the technology sector has been a key driver of market growth. Innovations, especially in

Dell Technologies stock was climbing on Tuesday after a Mizuho analyst initiated coverage of the shares with an Outperform rating and said the maker of PCs and other hardware has some unique advantages.

Everybody knows that Super Micro Computer Inc. is top dog in the artificial-intelligence server market with a “dominant share,” according to Mizuho Securities — but that doesn’t mean investors should buy the stock.