U.S. stocks opened in the negative on disappointing economic data and lowered sales outlook from Procter & Gamble. In earnings news, Goldman Sachs reported 64% rise in Q1 on 61% revenue growth. Air Methods swung to profit in Q4 on 32% revenue increase. Evolving Systems also reversed from a net loss of 20 cents per share to report 5 cents income increase in Q4. Southern Union posted $1 loss in Q4, including charges. |