Still, some investors worry the rally could stall without evidence that inflation is cooling again. While Fed Chairman Jerome Powell has reassured markets the central bank is unlikely to raise rates anytime soon, months of strong inflation have led to concerns that policymakers will not cut them this year.
Sixty years ago Simons -- who preferred to be known as Jim -- shifted course from teaching mathematics and working in U.S. intelligence to investing. His pioneering use of computer signals for trading decisions earned him the nickname "Quant King."
