BUZZ-Oil stocks: Prices rise
** U.S.-listed shares of E&P companies, service providers and drillers rise 20-3 pct
** Oil prices rally 3 pct as traders' focus on strong demand U.S. for gasoline overshadowed news of increased U.S. inventories of crude
** Oil stocks lead top gainers on NYSE in afternoon trading
** Midstates Petroleum Co Inc up 20.8 pct, California Resources Corp up 7.7 pct, Callon Petroleum Co up 5 pct, WPX Energy Inc up 5 pct, Clayton Williams Energy Inc UP 5.3 pct, Comstock Resources Inc up 5.4 pct, Patterson-UTI Energy Inc, up 3.4 pct, Precision Drilling Corp up 3.2 pct
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