Top Percentage Gainers and Losers as of 2pm 6/24/11

Best

1) Southern Union (NYSE: SUG): Shares of Southern Union are currently trading up 16.4% from yesterday's close to $39.76. The company has received an acquisition proposal from The Williams Companies (NYSE: WMB) for $39 per share in cash. The deal is valued at 8.7 billion. Southern Union previously had a buyout offer from Energy Transfer (NYSE: ETE) at $33 per share.

2) China Automotive Systems (NASDAQ: CAAS): Shares of China Automotive are currently trading up 15.7% from yesterday's close to $8.69. The stock broke above its 50-day simple moving average (one year daily chart) in today's session. Shares have gained 27% since hitting a 52-week low of $6.63 on May 31st.

3) Gulfport Energy (NASDAQ: GPOR): Shares of Gulfport Energy are currently trading up 9.2% from yesterday's close to $27.39.

4) Comverge (NASDAQ: COMV): Shares of Comverge are currently trading up 8.8% from yesterday's close to $2.99. The stock recently hit a 52-week low of $2.50 on June 20th.

5) Caribou Coffee (NASDAQ: CBOU): Shares of Caribou Coffee are currently trading up 8.8% from yesterday's close to $13.38. The stock hit a 52-week high of $13.40 in today's session.

Other Notable Gainers

Acura Pharmaceuticals (NASDAQ: ACUR): Shares of Acura Pharmaceuticals are currently trading up 8.6% from yesterday's close to $4.05. The company's new drug, Oxecta, was approved for marketing by the FDA earlier this week.

Zale (NYSE: ZLC): Shares of Zale are currently trading up 6.7% from yesterday's close to $5.67. The stock has lost 20% since hitting a 52-week high of $6.81 on June 8th.

Envestnet (NYSE: ENV): Shares of Envestnet are currently trading up 6.7% from yesterday's close to $14.11. The stock broke above its 50- and 200-day simple moving averages in today's session.

Thermon Group (NYSE: THR): Shares of Thermon Group are currently trading up 5.9% from yesterday's close to $12.10. The stock hit a 52-week low of $11.05 in yesterday's trading session.

CNinsure (NASDAQ: CISG): Shares of CNinsure are currently trading up 8.5% from yesterday's close to $15.62. The stock broke above its 50-day simple moving average (one year daily chart) in today's action.

Endologix (NASDAQ: ELGX): Shares of Endologix are currently trading up 6.2% from yesterday's close to $9.05. The stock started the session in negative territory, but heavy buying volume began pushing shares up at 11:05am. The stock hit a 52-week high of $9.34 in today's action.

Worst

1) Pain Therapeutics (NASDAQ: PTIE): Shares of Pain Therapeutics are currently trading down 39.9% from yesterday's close to $5.55. The Food and Drug Administration rejected the company's application for its pain drug, Remoxy. The product is a collaboration between Pfizer (NYSE: PFE), Pain Therapeutics, and Durect (NASDAQ: DRRX).

2) Durect (NASDAQ: DRRX): Shares of Durect are currently trading down 35.9 % from yesterday's close to $1.97. The Food and Drug Administration rejected the company's application for its pain drug, Remoxy. The product is a collaboration between Pfizer, Pain Therapeutics, and Durect.

3) STR Holdings (NYSE: STRI): Shares of STR are currently trading down 16.9% from yesterday's close to $13.90. The company reported that it is expecting Q2 revenue of $98 to $101 million versus estimates of $105.63 million. STR forecast earnings of $0.30 to $0.32 versus estimates of $0.40. The company was downgraded from Buy to Accumulate by Craig-Hallum.

4) Micron Technology (NASDAQ: MU): Shares of Micron Technology are currently trading down 13.9% from yesterday's close to $7.26. The company reported Q3 earnings of $0.07 per share versus estimates of $0.16 per share. Revenue came in at $2.13 billion versus estimates of $2.36 billion.

5) SuccessFactors (NASDAQ: SFSF): Shares of SuccessFactors are currently trading down 11.3% from yesterday's close to $28.72. The stock broke below its 200-day simple moving average (one year daily chart) in today's session. Shares hit a six month low of $26.63 earlier in the day.

Other Notable Losers

United Continental Holdings (NYSE: UAL): Shares of United Continental are currently trading down 7.8% from yesterday's close to $23.16. The company announced that it is seeing a weaker-than-anticipated Q2 rise in average passenger revenue – 8.3% to 9.3%. Rodman & Renshaw cut United Continental's full-year profit outlook from $4.65 per share to $4.19 per share.

Flowserve International (NASDAQ: FLOW): Shares of Flowserve International are currently trading down 7% from yesterday's close to $3.14.

Kenexa (NASDAQ: KNXA): Shares of Kenexa are currently trading down 7.4% from yesterday's close to $23.48. Qihoo 360 Technology (NYSE: QIHU): Shares of Qihoo 360 are currently trading down 8.8% from yesterday's close to $16.41.

The Finish Line (NASDAQ: FINL): Shares of The Finish Line are currently trading down 6.3% from yesterday's close to $21.71. The company reported Q3 revenue of $299.5 million versus estimates of $301 million. Earnings came in at $0.30 per share, which met analyst estimates.