Top Gainers: Eagle Rock Energy Partners (NASDAQ:EROC), United States Steel Corporation (NYSE:X), Idera Pharmaceuticals (NASDAQ:IDRA), GT Advanced Technologies (NASDAQ:GTAT)

Eagle Rock Energy Partners (NASDAQ:EROC) was downgraded by stock analysts at Wells Fargo & Co. from an “outperform” rating to a “market perform” rating in a report issued on Friday, TheFlyOnTheWall.com reports. On last trading day Eagle Rock Energy Partners, L.P. (NASDAQ:EROC) ended up 12.87%higher to close at $5.35 while trading in the range of $4.76 – $5.39. Its return on assets (ROA) is -12.30% while return on investment (ROI) is -11.40%.Eagle Rock Energy Partners, L.P. (NASDAQ:EROC) monthly performance is -0.19%.

United States Steel (NYSE:X) was downgraded by equities researchers at Credit Suisse from a “neutral” rating to an “underperform” rating in a research report issued on Friday, TheFlyOnTheWall.com reports. They currently have a $19.00 price objective on the stock. Credit Suisse’s price objective would indicate a potential downside of 23.66% from the company’s current price. United States Steel Corporation (NYSE:X) in last trading activity ended up at $25.50 with day range of $24.09 – $25.50. Company weekly performance is 2.91% while its quarterly performance stands at -6.46%.United States Steel Corporation (NYSE:X) is -17.98% away from its 52 week high.

On March 10, 2014, Julian C. Baker and Kelvin M. Neu, M.D. were elected to the Board of Directors of Idera Pharmaceuticals, Inc. (NASDAQ:IDRA). Idera Pharmaceuticals Inc. (NASDAQ:IDRA) belongs to Healthcare sector with market capitalization of 301.29 million and has 0.70% insider ownership. In last trading activity company’s stock closed at $6.59 while opening price was $6.16.

Shares of GT Advanced Technologies (NASDAQ:GTAT) are climbing after research firm Canaccord wrote that the company’s results are poised to exceed Street expectations. GT develops equipment for producing polysilicon, which is used to develop silicon-based solar wafers and cells. On Tuesday shares of GT Advanced Technologies Inc. (NASDAQ:GTAT) opened at $17.27 and closed at $18.24. This Year Company’s Earnings per Share (EPS) growth is -0.70 and next year’s estimated EPS growth is 722.34%. Analysts mean target price for GT Advanced Technologies Inc. (NASDAQ:GTAT) is $18.44.