Cepheid (NASDAQ:CPHD) achieved its new 52 week high price of $44.83 where it was opened at $42.93 UP 1.40 points or +3.28% by closing at $44.06. CPHD transacted shares during the day were over 1.48 million shares however it has an average volume of 739,729 shares.

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ReneSola Ltd. (NYSE:SOL) a leading global manufacturer of solar products, announced the completion and grid connection of the Company's 20 megawatt ("MW") solar power plant in Wulan County in Qinghai, China with the Company providing all 20 MW of solar modules. The solar power plant is the first of its kind for ReneSola.

Charter Communications, Inc. (NASDAQ:CHTR) recently announced that it is implementing a CEO succession plan following President and Chief Executive Officer Michael J. Lovett advising the Board of Directors of his personal decision to step down as President and CEO on April 30, 2012 or earlier if a successor is appointed before that time.

O2Micro International Ltd (Nasdaq:OIIM) was issued 5 claims under United States patent number 7,983,301 for its Short Message Service (SMS) for wireless communications invention.

Bioanalytical Systems Inc. (Nasdaq:BASI) is expanding its capabilities to meet demand for drug discovery and development services. The company has renovated space at its preclinical toxicology site in Evansville, Ind. and will relocate some research services to West Lafayette, creating several new positions.