Top Percentage Gainers and Losers as of 12pm 7/5/11

1) Immucor

: Shares of Immucor are currently trading up 30.2% from Friday's close to $27.00. The company has agreed to be acquired by TPG Capital for $27 per share in cash. The deal is valued at $1.97 billion. 2) Coffee Holding

: Shares of Coffee Holding are currently trading up 14.0% from Friday's close to $20.00. The stock began the day in neutral territory, but heavy buying volume began pushing shares higher at 9:45am. Shares have gained 454% year-to-date. 3) Rediff.com India

: Shares of Rediff.com are currently trading up 13.2% from Friday's close to $10.60. A report highlighting India's booming Internet market was published by Barron's over the weekend. The article can be found

4) Noah Holdings

: Shares of Noah are currently trading up 11.8% from Friday's close to $13.95. The stock has broken above its 50-day simple moving average (one year daily chart) in today's session. Shares have gained 37% over the past seven trading sessions. 5) Zalicus

: Shares of Zalicus are currently trading up 10.8% from Friday's close to $2.59. The company was initiated with an Outperform by Oppenheimer. The target price was set at $4. The stock has broken above its 50-day simple moving average (one year daily chart) in today's session.

Silvercorp Metals

: Shares of Silvercorp Metals are currently trading up 10.6% from Friday's close to $10.05. China TechFaith Wireless Communication Technology

: Shares of China TechFaith are currently trading up 10.1% from Friday's close to $4.27. ZAGG

: Shares of ZAGG are currently trading up 9.6% from Friday's close to $14.09.

1) Zion Oil & Gas

: Shares of Zion Oil & Gas are currently trading down 16.8% from Friday's close to $4.91. The company announced that there is “little chance” that its well in Israel contains commercially viable hydrocarbons. The stock has broken below its 50- and 200-day simple moving averages (one year daily chart) in today's session. 2) NetScout Systems

: Shares of NetScout Systems are currently trading down 15.7% from Friday's close to $17.85. The company forecasted Q1 revenue of $62 to $64 million versus analyst estimates of $71.59 million. NetScout also lowered its full year outlook and said it will begin implementing “expense reductions.” 3) Advanced Energy Industries

: Shares of Advanced Energy are currently trading down 12.1% from Friday's close to $13.20. The company forecasted Q2 revenue of $137 - $140 million versus analyst estimates of $153.98 million. Advanced Energy had previously anticipated its Q2 revenue to come in at $160 million. 4) Daqo New Energy

: Shares of Daqo New Energy are currently trading down 9.7% from Friday's close to $7.07. The company lowered its Q2 revenue forecast from $92 - 95 million to $70 - $71 million. Daqo cited fewer shipments of wafers, modules, and ASP's as reasons for the cut. 5) The St. Joe Company

: Shares of St. Joe are currently trading down 9.1% from Friday's close to $18.96. The company received an informal inquiry notice from the U.S. Securities and Exchange Commission regarding real-estate impairments.

Power-One

: Shares of Power-One are currently trading down 7.2% from Friday's close to $7.62. TBS International

: Shares of TBS International are currently trading down 6.5% from Friday's close to $2.01. ValueVision Media

: Shares of ValueVision Media are currently trading down 6.8% from Friday's close to $7.68.