Top Percentage Gainers and Losers as of 12pm 4/14/11(CHINA, SVU, IDIX, SIFY, REDF, SWSH, HAIN, KITD, YONG, ZOOM, FSII, DLB, BAC, GS, SRZ, ABMD)

Best

1) CDC Corporation (NASDAQ: CHINA): Trading up 41% from yesterday's close to $3.35. The company has come to an agreement with the Administrative Committee of China Merchant's Zhangzhou Economic and Technology Development Zone to develop and invest in food processing projects in the area.

2) SuperValue (NYSE: SVU): Trading up 14.21% from yesterday's close to $10.38. The company reported $0.44 Q4 EPS versus the $0.34 estimate.

3) Idenix Pharmaceuticals (NASDAQ: IDIX): Trading up 13.87% from yesterday's close to $4.32. The company was upgraded from Neutral to Buy at Bank of America (NYSE: BAC) earlier this week.

4) Sify Technologies (NASDAQ: SIFY): Trading up 13.31% from yesterday's close to $6.13. Shares have gained 82.8% over the past 13 trading days.

5) Rediff.com India (NASDAQ: REDF): Trading up 12.53% from yesterday's close to $9.25. Positive comments from TheStreet are helping give shares a boost.

Other notable movers

Hygiene (NASDAQ: SWSH): Up 7.44% from yesterday's close to $9.97.

The Hain Celestial Group (NASDAQ: HAIN): Up 7.08% from yesterday's close to $32.78.

Worst

1) KIT digital (NASDAQ: KITD): Trading down 11.12% from yesterday's close to $9.99. The company announced plans to purchase ioko365 Ltd. earlier in the week.

2) Yongye International (NASDAQ: YONG): Trading down 9.51% from yesterday's close to $4.47. Shares have lost 35.7% since reporting earnings on March 15th.

3) Zoom Technologies (NASDAQ: ZOOM): Trading down 7.24% from yesterday's close to $3.78. Shares had traded as high as $5.08 in yesterday's session after acquiring patent licenses from Qualcomm (NASDAQ: QCOM) to develop mobile phones for the global marketplace.

4) FSI International (NASDAQ: FSII): Trading down 7.07% from yesterday's close to $3.81.

5) Dolby Laboratories (NYSE: DLB): Trading down 6.82% from yesterday's close to $46.47. Goldman Sachs (NYSE: GS) reiterated its Sell rating on the stock this morning.

Other notable movers

Sunrise Senior Living (NYSE: SRZ): Down 6.02% from yesterday's close to $9.21.

ABIOMED (NASDAQ: ABMD): Down 5.73% from yesterday's close to $14.97.