Thursday's Top Percentage Gainers and Losers

Best 1) Caliper Life Sciences CALP: Shares of Caliper Life Sciences are currently trading up 41% from yesterday's close to $10.41. The company will be acquired by PerkinElmer PKI for $10.50 per share. The deal is valued at $600 million. 2) Achillion Pharmaceuticals ACHN: Shares of Achillion are currently trading up 17.3% from yesterday's close to $6.65. The company was initiated with an Overweight at Piper Jaffray. There are also rumors that Achillion's CEO has expressed an interest in being acquired by Pharmasset VRUS. 3) BSD Medical BSDM: Shares of BSD are currently trading up 12.4% from yesterday's close to $3.08. The stock started out the session in neutral territory, but heavy buying volume began pushing shares up at 11:20am. 4) Gramercy Capital GKK: Shares of Gramercy are currently trading up 12.1% from yesterday's close to $3.52. It was reported that Indaba Capital Fund purchased 133,000 shares of Gramercy for $3.13 per share. 5) Silvercorp Metals SVM: Shares of Silvercorp are currently trading up 9.4% from yesterday's close to $8.99. A positive article from Seeking Alpha regarding the company's response to allegations of fraud is lifting shares in today's session. Other Notable Gainers Rexx Energy REXX: Shares of Rexx are currently trading up 8.9% from yesterday's close to $13.50. SunTrust Robinson Humphrey reported that the company could “be worth over $20 per share” for its exposure to the Utica shale play alone. Spreadtrum Communications SPRD: Shares of Spreadtrum are currently trading up 8.2% from yesterday's close to $19.99. The stock has broken above its 200-day simple moving average (one year daily chart) in today's session. Shares are now trading at a three month high. Glenco Shipping GNK: Shares of Glenco Shipping are currently trading up 8% from yesterday's close to $7.71. A positive article from SmartMoney regarding shipping companies is seemingly having a positive effect on Glenco, which had started out the session in neutral territory. The stock has gained 87% since hitting a 52-week low on August 8th. USA Technologies USAT: Shares of USA Technologies are currently trading up 7.2% from yesterday's close to $2.08. The stock has broken above both its 50- and 200-day simple moving averages (one year daily chart) in today's session. Star Scientific CIGX: Shares of Star are currently trading up 5.9% from yesterday's close to $2.71. The stock has gained 81.6% since hitting a low of $1.50 on August 26th. Spartech Corp. SEH: Shares of Spartech are currently trading up 4.5% from yesterday's close to $4.26. The company reported Q3 earnings of $0.10 per share versus a loss of $0.12 per share for the same period last year. Analysts were forecasting earnings of $0.07 per share. Revenue came in at $291.7 million versus estimates of $281.77 million. Worst 1) G-III Apparel Group GIII: Shares of G-III are currently trading down 18% from yesterday's close to $23.50. The company reported Q2 earnings of $0.08 per share versus estimates of $0.20 per share. For fiscal year 2012, the company is forecasting sales of $1.25 billion and earnings of $3.05 to $3.15 per share versus previous guidance of $1.2 billion in sales and earnings of between $3.15 and $3.25 per share. 2) Titan Machinery TITN: Shares of Titan are currently trading down 15.3% from yesterday's close to $23.18. The company reported Q2 earnings of $0.30 per share versus estimates of $0.26 per share. Full year guidance came in at sales between $1.330 billion to $1.405 billion versus previous forecasts of $1.310 billion to $1.385 billion. 3) Matrix Service MTRX: Shares of Matrix are currently trading down 11.6% from yesterday's close to $10.03. Despite posting a profit in the fourth quarter, the company reported full year guidance below estimates. Matrix forecast full-year earnings of $0.75 - $0.95 per share versus estimates of $0.99 per share. 4) Mind Industries MIND: Shares of Mind are currently trading down 10% from yesterday's close to $14.96. The company reported earnings of $0.11 per share versus estimates of $0.13 per share. Revenue came in at $21.3 million versus estimates of $19 million. 5) Quicksilver Resources KWK: Shares of Quicksilver are currently trading down 9.7% from yesterday's close to $8.68. The company was downgraded from Buy to Neutral at UBS. Other Notable Losers OpenTable OPEN: Shares of OpenTable are currently trading down 9.5% from yesterday's close to $56.81. The stock is being hurt on news that Google GOOG has acquired Zagat, one of OpenTable's main competitors. More on this story can be found here. Pall PLL: Shares of Pall are currently trading down 9.4% from yesterday's close to $44.21. The company reported Q4 earnings of $0.76 per share versus estimates of $0.86 per share. Jefferies & Co. lowered the stock's price target from $61 to $54. Richard Eastman at Baird also lowered his price target for Pall from $62 to $58. Men's Wearhouse MW: Shares of Men's Wearhouse are currently trading down 8.6% from yesterday's close to $26.99. The stock is trading down despite a better-than-expected earnings report. The company reported Q2 earnings of $1.11 per share versus estimates of $1.04 per share. Sales came in at $655.5 million versus estimates of $644 million. Mohawk Industries MHK: Shares of Mohawk are currently trading down 8% from yesterday's close to $44.78. Cleveland Research put out a negative report on the company. There has been significant put activity in Mohawk in today's session.