UPDATE: Rodman & Renshaw Downgrades Andatee China Marine Fuel Services to Market Perform

Rodman & Renshaw is out with its report today on Andatee China Marine Fuel Services

, downgrading AMCF to Market Perform from Market Outperform. In its report, Rodman & Renshaw writes, "We are lowering our rating on AMCF from Market Outperform to Market Perform driven by 1) substantially lowered revenue and net income guidance for 2011 and 2) margin uncertainty as a result of crude oil volatility." Shares of AMCF closed Tuesday at $1.50, down 12.79% from Monday's close.