Green Imperial Capital upgraded shares of Green Plains Renewable Energy (NASDAQ: GPRE) from an underperform rating to an in rating in a report issued on Wednesday.

Insiders Bought These Stocks on Jul-31. 8/1/2012 8:01:07 AM. Insiders purchased shares of the following companies on Tuesday, July 31, 2012.

NEW YORK (TheStreet) -- Marten Transport (Nasdaq:MRTN) has been downgraded by TheStreet Ratings from buy to hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth ...

NEW YORK (TheStreet) -- Green Plains Renewable Energy (Nasdaq:GPRE) has been downgraded by TheStreet Ratings from hold to sell. The company's weaknesses can be seen in multiple areas, such as its generally disappointing historical performance ...

stock ratings Research Analysts' ratings reiterations for Friday, July 27th: Abaxis (NASDAQ: ABAX) had its hold rating reiterated by analysts at Canaccord Genuity.

Green Plains Renewable Energy Inc. logo Green Plains Renewable Energy (NASDAQ: GPRE)'s stock had its �buy� rating restated by equities researchers at Jefferies Group in a report issued on Friday.

Green Plains Renewable Energy Inc. has announced its financial results for the second quarter of 2012, which ended June 30. While the company posted a net loss of $7.6 million during the three-month period, information presented during a call to ...

Stocks for the Next M&A Wave. Good acquisition targets are thin on the ground, but here are a few to consider. Q2 2012 Earnings Call.

On a trading day that saw the S&P 500 gain 1.6%, the Basic Materials sector (XLB) showed little change. The ETF, as a proxy for the sector, tracked closer to the overall market today than over the past week.

Renewable energy and waste management company, NTR, today said it has cut losses in its financial year to the end of March 2012 to E88.8m from E381m as it works through its three-phase strategic plan.