Shares of Broadcom Inc (NASDAQ:AVGO) are 2.9% higher at $1,313 before the bell, after TD Cowen upgraded the semiconductor maker to "outperform" from "market perform" and lifted its price target to$1,500 from $1,400. In its bull note, the analyst said the artificial intelligence (AI) business has the potential to provide even more tailwinds.There's been a lot of hype surrounding chipmakers and their respective equities, especially AI-darling Nvidia (NVDA), which just announced a new generation of AI chips. ...