Renewable energy stock First Solar Inc (NASDAQ:FSLR) is down 9.7% at $123.90 at last glance, after the company posted a first-quarter earnings and revenue miss and lowered its annual sales and profit outlook. CEO Mark Widmar said tariffs create an unexpected and "significant economic headwind." Oppenheimer downgraded First Solar stock to "perform" from "outperform" after today's events, while Keybanc cut its rating to "underweight" from "sector weight." Plenty of other analysts slashed their price targets a ...