InterMune, ServiceSource, Tornier, Usana: U.S. Equity Movers

first- quarter operating loss of 4 cents a share, wider than the 2-cent loss projected by two analysts. H&R Block Inc. (HRB US) slipped 3.2 percent to $15.42 for the second-biggest decline in the S&P 500. The tax preparer fell for a second day after a...