Global equities advanced this morning after Alcoa (NYSE:AA) opened earnings season on a positive note. Futures on the Dow Jones Industrial Average (INDEXDJX:.DJI) rose 0.21% to 13 295 and S&P 500 (INDEXSP:.INX) futures climbed 0.14% to 1 454.40. Nasdaq (INDEXNASDAQ:.IXIC) futures are up 0.09% to 2 716.50. Shares of aluminum giant Alcoa rose 1.76% in after-hours trading after the company's earnings report met analyst expectations with profits of $242 million up from a $191 million loss in the year-earlier period. Revenue of $5.9 billion beat forecasts and the company gave a positive outlook for 2013. It expects aluminum demand ...