Ratings on (ALTE) (ALU) (AREX) (ARG) (CCIH) Upgraded

Analysts upgraded their ratings on Alterra Capital Holdings Ltd. (NASDAQ: ALTE), Alcatel Lucent (NYSE: ALU) Approach Resources Inc. (NASDAQ: AREX), Airgas, Inc. (NYSE: ARG) and Chinacache International Holdings Limited (NASDAQ: CCIH)

Sterne Agee upgraded Alterra Capital Holdings Ltd. (ALTE) from a “neutral” rating to a “buy” rating. They have a price target of $26.00 on the company.

Capstone upgraded Alcatel Lucent (ALU) from a “sell” rating to a “hold” rating.

Wells Fargo & Co. (NYSE:WFC) upgraded Approach Resources Inc. (AREX) from a “market perform” rating to an “outperform” rating.

Soleil Securities upgraded Airgas, Inc. (ARG) from a “hold” rating to a “buy” rating.

Deutsche Bank (NYSE:DB) upgraded Chinacache International Holdings Limited (CCIH) from a “hold” rating to a “buy” rating.