** Shares of some U.S.-based casino operators up after Macau reports rise in February gambling revenue

** Macau says February gambling revenue up 6.8 pct from a year earlier to 19.7 billion patacas ($2.46 billion)

** Shares of Wynn Resorts WYNN.O up 1.24% and of Las Vegas Sands LVS.N rise 2.53%

** "Revenue was up 7% yoy after the last two months that showed stalled growth" - Morningstar

** "The week after Chinese New Year is typically slower, but operators have stated that there had been a 'long tail trend' of visitation/gaming volumes post the holiday" - Wells Fargo

** Including session's move, S&P 500 Casinos & Gaming index .SPLRCCCGL down 4.72% YTD

($1 = 8.0090 patacas)

(Reporting by Anshuman Tripathy)

((Anshuman.Tripathy@thomsonreuters.com))