Petróleo Brasileiro S.A. (NYSE: PBR), or Petrobras, raised to Overweight from Equal Weight at Barclays. Petroleo Brasileiro Petrobras SA (ADR) (NYSE:PBR) stock performance was 0.70% in last session and finished the day at $17.19. Traded volume was 12.03million shares in the last session and the average volume of the stock remained 20.51million shares. The beta of the stock remained 1.72.

Alcoa is putting $40 million in its bundling office in Brazil, while it is additionally growing the exclusive wheel office in Hungary to bolster the European market. The organization is likewise chipping away at rebuilding, basically its purifying limit.  Alcoa Inc (NYSE:AA) dropped -2.59 percent to $16.56 Friday on volume of  21.33million shares. The intra-day range of the stock was $16.53 to $16.94. Alcoa Inc (NYSE:AA) has a market capitalization of $19.44billion.

Vale SA (NASDAQ:VALE)‘s stock had its “hold” rating reaffirmed by investment analysts at Jefferies Group in a note issued to investors on Thursday. They currently have a $15.50 target price on the stock, up from their previous target price of $13.00. Jefferies Group’s price target would suggest a potential upside of 6.46% from the company’s current price. Vale SA (ADR) (NYSE:VALE)’s stock on July 25, 2014 reported the closing price of $14.56. Its fifty two weeks range is $12.29 -$17.14. The total market capitalization recorded $75.03billion. The overall volume in the last trading session was 11.70million shares. In its share capital, VALE has 5.13billion outstanding shares.

Barclays lifted their price target on shares of SandRidge Energy (NYSE:SD) from $6.00 to $7.00 in a research note issued on Wednesday. Barclays’ price target points to a potential upside of 7.86% from the company’s current price. On Friday, shares of SandRidge Energy Inc. (NYSE:SD) dropped -2.77% to close the day at $6.31. Company return on investment (ROI) is -5.10% and its monthly performance is recorded as -11.87%.  SandRidge Energy Inc. (NYSE:SD) quarterly revenue growth is -5.26%.

The Dow Chemical Company (NYSE:DOW)‘s stock had its “hold” rating restated by research analysts at Deutsche Bank in a report released on Thursday. They currently have a $57.00 price target on the stock, up from their previous price target of $54.00. Deutsche Bank’s price objective would indicate a potential upside of 6.13% from the stock’s previous close. The Dow Chemical Company (NYSE:DOW) stock performance was -0.24% in last session and finished the day at $53.71. Traded volume was 7.35million shares in the last session and the average volume of the stock remained 7.37million shares. The beta of the stock remained 1.91. The Dow Chemical Company (NYSE:DOW) insider ownership is 0.30%.