Caterpillar (CAT) got an upgrade to outperform from neutral by Baird after the firm upgraded the stock from a bearish position earlier this year. Caroline Woods says it's a signal of bulls funneling back into stocks hit by tariff uncertainty as she highlights figures fueling Baird's position. Tim Biggam talks about why he's expecting a pullback near-term for Caterpillar and offers an example options trade.