A five-month process of finding the next Federal Reserve chair appears to be down to its final days, with one candidate emerging as the betting favorite even as others remain in the mix.BlackRock fixed income chief Rick Rieder is seen by prediction markets as the frontrunner to replace Jerome Powell at the helm of the central bank. Kalshi has the Wall Street veteran holding a 48% chance, well ahead of the next-closest competitor, former Governor Kevin Warsh, at 31%.But sentiment has been volatile, and it wa ...