KEY TAKEAWAYSOil stocks, that helped lead the S&P 500 to a new record high Wednesday after Donald Trump's electoral victory, have given some of those gains.Initial stock optimism anticipating a friendly approach to the sector from the incoming Trump administration has faded as concerns emerge.Analysts believe that Trump's policies, including tariffs, may spur oil production, but that would drive down oil prices which would in turn weigh on oil stocks. Oil stocks are trading cautiously, giving up some of th ...