Shares of Ku6 Media Co Ltd (NASDAQ: KUTV) jumped about 21% after the company's board authorized the company to buy back up to an aggregate of $3.2 million of its outstanding American Depositary Shares.
Shares of Acacia Research Corporation (NASDAQ: ACTG) dropped about 0.5% after the company's subsidiary bought 26 optical networking patents from a major technology company.
Shares of SkyPeople Fruit Juice Inc (NASDAQ: SPU) dipped about 8.4% after the company appointed Paritz & Company, P.A. as its independent registered public accounting firm effective as of December 24, 2011. Paritz & Company will replace BDO Limited, which was dismissed on December 23, 2011.
Shares of Patterson-UTI Energy Inc (NASDAQ: PTEN) fell about 0.7% after the company announced its plans to retire around 10% of its drilling rigs in December. PTEN will retire 31 of its drilling rigs in December and projects to incur pretax impairment charges of around $11.3 million.
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