Strong earnings from tech firms including Apple Inc AAPL.O, Alphabet GOOGL.O and chipmaker Advanced Micro Devices AMD.O, boosted investor appetite during the week. Feb 4 (Reuters) - Global equity funds lured big inflows in the seven days to Feb. 2 on optimism over strong earnings from U.S. technology companies and on hopes that inflation would ease later this year. "We expect 2022 to be a volatile year for all risk assets, including high yield bonds," said Ryan O'Malley, portfolio manager at Sage Advisory Services.