Zacks downgraded shares of USA Technologies, Inc. (NASDAQ:USAT) from a hold rating to a sell rating in a research note released on Friday morning. Shares of USA Technologies (NASDAQ:USAT) traded up 1.30% during mid-day trading on Friday, hitting $1.9247. USA Technologies, Inc. (NASDAQ:USAT) stock performance was-5.26% in last session and finished the day at $1.80. Traded volume was 131,000 shares in the last session and the average volume of the stock remained 99.17 thousand shares. The beta of the stock remained 2.53. USA Technologies, Inc. (NASDAQ:USAT) insider ownership is 3.80%.

Metabolix, Inc. (NASDAQ:MBLX) an advanced biomaterials company focused on sustainable solutions for the plastics and chemicals industries, on May 14, 2014 reported financial results for the three months ended March 31, 2014. Metabolix, Inc. (NASDAQ:MBLX) dropped 5.94 percent to $0.950 yesterday on volume of 76,263 shares. The intra-day range of the stock was $0.92to $1.01. Metabolix, Inc. (NASDAQ:MBLX) has a market capitalization of $33.20 million.

Amtech Systems, Inc. (NASDAQ:ASYS) was downgraded by analysts at TheStreet from a hold rating to a sell rating. Amtech Systems, Inc. (NASDAQ:ASYS)’s stock on May 19, 2014 reported a decrease of 5.62.% to the closing price of $7.72. Its fifty two weeks range is $7.58 -$8.10. The total market capitalization recorded $75.98 million. The overall volume in the last trading session was 77,308 shares. In its share capital, Amtech Systems, Inc. (NASDAQ:ASYS) has 9.84 million outstanding shares.

Imprimis Pharmaceuticals Inc (NASDAQ:IMMY) a vertically-integrated specialty pharmaceutical company focused on the development and commercialization of proprietary sterile and topical compounded drug formulations announced today its attendance and physicians’ presentations at the upcoming American Society of Cataract and Refractive Surgery (ASCRS) Annual Symposium & Congress in Boston from April 25-29 2014.On Monday, shares of Imprimis Pharmaceuticals Inc (NASDAQ:IMMY) dropped 10.26% to close the day at $4.81. Company’s monthly performance is recorded as -29.99%. Imprimis Pharmaceuticals Inc (NASDAQ:IMMY) quarterly revenue growth is –31.87%.

CSP Inc. (NASDAQ:CSPI) announced that its board of directors has voted to pay its quarterly dividend of $0.11 per share to shareholders of record May 30, 2014 payable June 10, 2014. CSP Inc. (NASDAQ:CSPI) stock performance was-5.68% in last session and finished the day at $6.81. Traded volume was 24,982 shares in the last session and the average volume of the stock remained 12.08 thousand shares. The beta of the stock remained -0.02. CSP Inc. (NASDAQ:CSPI) insider ownership is 1.10%.