LIVE UPDATES: Stocks close higher as investors shake off latest tariff developments

Key highlights include: Stocks closed higher despite new tariffs. Nvidia reached a $4 trillion market cap. Trump met with Nvidia's CEO and announced a 50% tariff on Brazilian imports starting August 1st. Bitcoin hit a new record. Mortgage rates ticked up. Delta shares soared, and McDonald's brought back a popular menu item. WK Kellogg is being acquired.