Wall Street Breakfast

Tariff refund tool will launch on April 20, US Customs says. (00:13) Walmart (WMT) tests store back rooms to speed marketplace deliveries: FT.  (01:01) Google (GOOG) (GOOGL) is said to explore new AI chip partnership with Marvell (MRVL). (01:54) Episode transcripts seekingalpha.com/wsb.Show links: Biggest stock movers Monday: Psychedelic stocks and moreGreg Abel puts his stamp on Berkshire Hathaway as Buffett era fadesCarney says U.S. ties are now weaknesses; Lutnick slams Canada's trade strategyEli Lilly nears $2B-plus deal for Kelonia to expand cancer pipeline: WSJSign 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.