U.S. Stocks Fall, S&P 500 Posts Second Straight Week of Losses

February. JPMorgan Chase & Co. lost the most in the Dow, retreating 4.2 percent to $43.15. H&R Block Inc. fell 8.2 percent to $15.82. Mortgage-bond holders are organizing to force repurchases of soured loans by H&R Block���s Option One Mortgage Corp....