Morning Market Losers

American Learning Corporation ALRN shares dipped 16.71% to $1.74 at 9:50 am. ALRN's trailing-twelve-month operating margin is -48.62%. USEC Inc USU dropped 12.25% to $1.79. USU's PEG ratio is -0.45. China Technology Development Group Corporation CTDC fell 11.54% to $0.92. CTDC shares have dropped 57.02% over the past 52 weeks, while the S&P 500 index has gained 4.11% in the same period. El Paso Pipeline Partners LP EPB shares lost 11.18% to $33.76. Kinder Morgan Inc KMI announced its plans to buy El Paso Corp EP for $20.7 billion.