Top Percentage Gainers and Losers as of 2pm 6/21/11

1) China New Borun

: Shares of China New Borun are currently trading up 24.5% from yesterday's close to $4.89. A positive report regarding the company was published by Seeking Alpha yesterday. The article can be found

The stock recently hit a 52-week low of $3.50 on June 13th. 2) China Transinfo Technology

: Shares of China Transinfo Technology are currently trading up 19.6% from yesterday's close to $2.93. The company announced that its Chairman and CEO, Mr. Shudong Xia, will be purchasing up to $3 million common shares of China Transinfo on the open market over the next twelve months. Xia has already bought $2 million worth of stock this year. Shares hit a 52-week low of $2.07 in yesterday's trading session. 3) Wave Systems

: Shares of Wave systems are currently trading up 16.7% from yesterday's close to $2.87. The stock broke above its 50-day simple moving average (one year daily chart) in today's session. Shares recently hit a 52-week low of $2.10 on June 16th. The next resistance level for the stock is its 200-day simple moving average, which is currently at $3.09. 4) Synthesis Energy Systems

: Shares of Synthesis Energy Systems are currently trading up 14.3% from yesterday's close to $2.08. The stock has recently found support at its 200-day simple moving average (one year daily chart). Shares have lost 54% since hitting a 52-week high of $4.50 on April 20th. 5) Pharmerica

: Shares of Pharmerica are currently trading up 12.6% from yesterday's close to $13.41. The stock is reacting to the positive earnings report from Walgreens. Shares have gained 31% over the past two trading sessions and have broken above their 50-day simple moving average (one year daily chart) in today's action. The stock may be looking to make a run at its 52-week high of $15.52, which was set on June 28th.

VisionChina Media

: Shares of VisionChina Media are currently trading up 10% from yesterday's close to $2.76. The stock hit a 52-week low of $2.22 in yesterday's trading session. China Gerui Advanced Materials

: Shares of China Gerui Advanced Materials are currently trading up 12.1% from yesterday's close to $3.32. The stock recently hit a 52-week low of $2.82 on June 17th. Harbin Electric

: Shares of Harbin Electric are currently trading up 10.6% from yesterday's close to $14.77. The stock has gained 153% over the past four trading sessions. DragonWave

: Shares of DragonWave are currently trading up 9.4% from yesterday's close to $5.58. A report detailing the company was published by Next Inning Technology Research today. The stock has gained 15% over the past two trading sessions. China Sky One Medical

: Shares of China Sky One Medical are currently trading up 10% from yesterday's close to $2.20.

1) Dex One

: Shares of Dex One are currently trading down 15% from yesterday's close to $2.45. The stock has already traded over two times its average daily volume. Shares broke below their 50-day simple moving average (one year daily chart) in today's action. 2) HealthStream

: Shares of HealthStream are currently trading down 11.6% from yesterday's close to $10.76. The company was downgraded from Buy to Hold by Noble Financial. The stock has lost 20% since hitting a 52-week high of $13.58 on May 26th. Shares are nearing their 50-day moving average (one year daily chart), which is currently at $10.73. 3) GTx

: Shares of GTx are currently trading down 9.6% from yesterday's close to $5.27. The company recently hit a 52-week high of $6.86 on June 9th. The stock has lost 23% since. 4) Susquehanna Bancshares

: Shares of Susquehanna Bancshares are currently trading down 8.4% from yesterday's close to $7.64. The company is acquiring Tower Bancorp

in a cash and stock transaction. The deal is valued at $343 million. 5) RiT Technologies

: Shares of RiT Technologies are currently trading down 7.5% from yesterday's close to $7.57. The stock has gained 154% over the past seven trading sessions.

Acura Pharmaceuticals

: Shares of Acura Pharmaceuticals are currently trading down 6.7% from yesterday's close to $4.20. A report regarding the company was published by MicroStockProfit.com this morning. Shares hit a 52-week high of $6.80 in yesterday's trading session. The stock has already traded nearly four times its average daily volume. RenRen

: Shares of Renren are currently trading down 5.7% from yesterday's close to $7.17. A negative article from Seeking Alpha regarding the company's earnings report was published today. The article can be found

Walgreen

: Shares of Walgreen are trading down 5.8% from yesterday's close to $42.58. The company reported better than expected earnings, but reported that contract negotiations with Express Scripts

have broken down. The breakdown in talks could lead customers to look elsewhere to fill prescriptions. Archillion Pharmaceuticals

: Shares of Archillion Pharmaceuticals are currently trading down 5.9% from yesterday's close to $5.73. The company is planning to sell nine million shares of common stock in a public offering at an estimated price of $6.19 per share. Archillion plans to use the $52.1 million proceeds to perform clinical testing, for product advancement, and for general expenses.