Dec 24 (Reuters) - Global equity funds saw massive inflows as risk sentiment returned with investors believing that the Omicron variant won"t bring a big setback to the world economy next year. According to Refinitiv data, investors purchased $33 billion worth of global equity funds in the week ending Dec. 22, compared with an outflow of $13.1 billion in the previous week. Reuters Graphics Reuters Graphics U.S. equity funds lured an inflow of $27.5 billion, while Asian equity funds obtained $1.8 billion. On the other hand, European equity funds saw an outflow worth $1.5 billion. Global stocks have made a strong recovery this week, after their downtrend earlier this month, buoyed by strong corporate earnings and reports that Moderna Inc"s (MRNA.O) COVID-19 vaccine provides protection against the Omicron variant Reuters Graphics Reuters Graphics Meanwhile, global bond funds received $5.4 billion, after seeing outflows in the previous week. Reuters Graphics Reuters Graphics Money market funds, on the other hand, saw an outflow worth $3.2 billion during the week, underscoring the positive risk sentiment. Among commodity funds, precious metal funds witnessed net sales of $578 million, their third consecutive weekly outflow. An analysis of 24,070 emerging market funds showed bond funds witnessed outflows of $89 million, while investors sold equity funds worth $1.8 billion.