Markets might be celebrating but every single portfolio manager is trying to figure out how long the roller coaster will last
- President Trump smashed the pause button on some of his tariffs before big banks careened into a head-to-head with analysts about their earnings guidance on Friday. The president’s announcement on social media had an immediate impact on markets, with the Nasdaq ending the day up 12%, while the S&P 500 rose more than 9%. Individual stocks climbed: Delta Air Lines lifted 23%, Nvidia rose more than 18%, and Apple, which saw more than $770 billion in value evaporate after concerns about the retail price of iPhones...