PepsiCo PEP.O, Glencore GLEN.L, Carlsberg CARLb.CO Epam Systems EPAM.N and Uniper UN01.DE are some of the big names in the list. March 3 (Reuters) - Citigroup upgraded U.S. equities to "overweight" rating on Thursday on analysts' expectations of a revival in appetite for growth stocks due to a sharp drop in bond yields following the Ukraine-Russia crisis. Bond yields plunged after Russia's invasion of Ukraine last week ramped up the prospects of inflationary risks, but the expectations of interest rate hikes from major central banks have dropped.