Morning Market Losers

American Learning Corporation (NASDAQ: ALRN) shares dipped 16.71% to $1.74 at 9:50 am. ALRN's trailing-twelve-month operating margin is -48.62%.

USEC Inc (NYSE: USU) dropped 12.25% to $1.79. USU's PEG ratio is -0.45.

China Technology Development Group Corporation (NASDAQ: 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 (NYSE: EPB) shares lost 11.18% to $33.76. Kinder Morgan Inc (NYSE: KMI) announced its plans to buy El Paso Corp (NYSE: EP) for $20.7 billion.

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