Top Percentage Gainers and Losers as of 2pm 5/02/11 (GENE, ICO, SCOK, DISH, OMN, TSTC, GXTI, ACI, MOBI, SIFY, PACB, DMD, TRGL, CELL, USAT)

Best

1) Genetic Technologies (NASDAQ: GENE): Trading up 33.4% from Friday's close to $7.70. Shares had risen to as high as $9.25 earlier in the session. The stock has gained 141% in four trading days.

2) International Coal Group (NYSE: ICO): Trading up 30.8% from Friday's close to $14.42. International Coal Group is being acquired by Arch Coal (NYSE: ACI) for $14.60 per share in an all cash transaction. The deal is valued at $3.4 billion.

3) SinoCoking and Coke Chemical Industries (NASDAQ: SCOK): Trading up 18.1% from Friday's close to $7.56. SinoCoking and Coke Chemical Industries announced that it has received its business license to enter into a joint-venture with Henan Province Coal Seam and Utilization. The license allows for the acquisition of coal mines throughout the Honguyan territory.

4) DISH Network (NASDAQ: DISH): Trading up 16.5% from Friday's close to $29.16. DISH Network reported earnings of $1.22 per share versus estimates of $0.68 per share. The company more than doubled its earnings from the same time last year.

5) OMNOVA Solutions (NYSE: OMN): Trading up 8.5% from Friday's close to $9.22. OMNOVA Solutions was upgraded from Hold to Buy at Jefferies. The price target was increased from $8.25 to $11.

Other Notable Gainers

Telestone Technologies (NASDAQ: TSTC): Trading up 10.4% from Friday's close to $7.01. The company announced on Friday that its Chairman, Mr. Daqing Han, purchased 100,000 shares at an average price under $6.00.

GTx (NASDAQ: GTXI): Trading up 9.6% from Friday's close to $4.67.

Worst

1) Sky-mobi (NASDAQ: MOBI): Trading down 15.8% from Friday's close to $18.22. Shares had started out the day in positive territory.

2) Sify Technologies (NASDAQ: SIFY): Trading down 11% from Friday's close to $7.34. Shares had put in a new 52-week high of $8.20 on Friday.

3) Pacific Biosciences of California (NASDAQ: PACB): Trading down 9.6% from Friday's close to $11.12. Shares set a new 52-week low of $10.80 earlier in the session.

4) Demand Media (NYSE: DMD): Trading down 8.9% from Friday's close to $15.10.

5) Toreador Resources (NASDAQ: TRGL): Trading down 9% from Friday's close to $7.38.

Other Notable Losers

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Brightpoint (NASDAQ: CELL): Trading down 8.35 from Friday's close to $9.2. Citigroup maintained its Hold rating on the company and raised its price target from $11 to $12.50.

USA Technologies (NASDAQ: USAT): Trading down 9.2% from Friday's close to $2.74.