"But gold could rally in 2021 when the vaccine optimism dies down and investors' focus returns to rising inflation expectations due to the large swathe of monetary and fiscal stimulus the U.S. economy still requires." The first shipments of Pfizer Inc and BioNTech SE's approved coronavirus vaccine in the United States began on Sunday, raising hopes for a faster economic recovery and lifting Asian equities. The focus now turns to the U.S Federal Reserve's two-day policy meeting starting on Tuesday, with investors betting on increased purchases of longer-dated Treasuries to contain a rise in yields, pulling down the dollar.