US STOCKS-Oil, China optimism to lift market at open

5 percent lifting shares of Exxon Mobil rose 1.3 percent to $65.20 before the bell, while Alcoa Inc rose 4 percent to $5.80, and miner Freeport-McMoRan Copper & Gold Inc7.3 percent to $30.47. China will increase spending in areas such as infrastructure...