They picked JPMorgan Chase (NYSE: JPM), Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B), and Upstart (NASDAQ: UPST). Federal Reserve Chairman Jerome Powell continues to communicate that the Fed plans to keep interest rates elevated until inflation stabilizes around its 2% annual target. Higher rates often drive lower stock markets, making it tough to find investments that look capable of thriving in what may very well be an extended period of higher-cost borrowing.