Wall Street Breakfast

Caterpillar raised the expected annual and quarterly impact of tariffs on its results. (0:15) Marvell Technology slumps on disappointing outlook. (0:58) Venture capitalist to be interim head of CDC. (2:02)    Show NotesAlibaba misses earnings expectationsUnitedHealth under pressure over loans  Episode transcripts: seekingalpha.com/wsb  Sign up for our daily newsletter here and for full access to analyst ratings, stock quant scores, dividend grades, subscribe to Seeking Alpha Premium at seekingalpha.com/subscriptions.