Today stocks moved higher after a volatile past few trading days. The Dow (INDEXDJX:.DJI) inched up 0.47% to 13849.52 and the S&P 500 (INDEXSP:.INX) rose 0.05% to 1488.44. The Nasdaq (INDEXNASDAQ:.IXIC) declined 0.10% to 3113.10   In economic news Federal Reserve Chairman Ben Bernanke spoke to the Senate Banking Committee about the economic perils a sequester would bring unless lawmakers take action before Friday. New home sales for January increased 15.6% to 437 000 from 378 000 in December. Monthly supply fell to 4.9 months from 5.6 months in December.   In international news Silvio Berlusconi's People of Freedom ...