U.S. stock indexes tumbled on Thursday after weaker-than-expected earnings from big U.S. banks JPMorgan Chase & Co and Morgan Stanley underscored growing fears of a sharp economic downturn. The benchmark S&P 500 was heading for its fifth consecutive session of losses amid fears that aggressive measures by the Federal Reserve to control soaring prices could push the world’s largest economy into a recession. Jamie Dimon, CEO of the largest U.S. bank, flagged a number of concerns including geopolitical tension, high inflation and the “never-before-seen” quantitative tightening as threats to global economic growth. “The big concern is that the slowdown of …
