Wells Fargo turned bullish on a bunch of chipmakers tied to the AI trade. Diane King Hall highlights the analyst notes moving chip stocks to start Thursday's trading action. She explains why the firm likes Broadcom's (AVGO) custom silicon business, sees stronger-than-average seasonal growth in Analog Devices (ADI), and points to Lam Research (LRCX) and KLA Corp. (KLAC) as companies to benefit from AI's boosted momentum.