Shares in Lyft Inc. (LYFT) hit the brakes after Guggenheim downgraded the stock to neutral from buy and lowered its price target. George Tsilis explains why the analyst is easing its foot off the gas for Lyft. He then turns to a pair of price target hikes in Alphabet (GOOGL) and Salesforce (CRM), as analysts tied to those stocks see AI momentum benefitting both stocks.