Trading Where the Action Is!

Midday movers on the final trading day of the week include energy and materials stocks such as Valero Energy Corporation
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up more than 8% and Tesoro Corporation
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, which was ahead by more than 5%. Gold stocks like Goldcorp Inc.
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were up by more than 8% as of midday as well.

Also higher on the day is General Motors
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, up more than 6% and advancing for a third consecutive session.

American International Group
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is among the day’s biggest midday movers to the downside, losing more than 25% halfway through trading on Friday.

Here is a list of stocks that have gained 20% or more so far in trading today.

Name Symbol % Up
Metro One Telecommunications INFO +36.93
Comstock Homebuilding Companies Inc. CHCI +28.85
Duckwall-Alco Stores Inc. DUCK +25.88
Natural Health Trends Corporation BHIP +23.72
Compania de Telcom de Chile. CTC +22.91
MTR Gaming Group Inc. MNTG +21.58
Expressjet Holdings Inc. XJT +21.58

Here is a list of stocks that have lost 20% or more so far in trading today.

Name Symbol % Down
Pharmanet Development Group PDGI -54.37
Brooke Corporation BXXX -45.69
Federal Agriculture Mortgage Corp. AGM -30.74
Onstream Media Corporation ONSM -29.79
American International Group AIG -25.70
FOCUS Enhancements Inc. FCSE -23.77
Catalyst Pharmaceutical Partners Inc. PSIT -24.00
Sperix Inc. SPEX -22.54
Freddie Mac FRE -22.42
Chipotle Mexican Grill Inc. CMG -20.17
Qiao Xing Mobile Communications Co Ltd. QXM -20.09
Graymark Healthcare Inc. GRMH -20.09

Source: MarketWatch

For a list of today’s top-rated stocks, click here.

David Penn is Editor-in-Chief at TradingMarkets.com.