U. S. authorities on Wednesday approved Medtronic, Inc. (NYSE:MDT) ’s $43 billion merger with fellow medical device maker Covidien PLC after requiring the spinoff of a drug-coated catheter business. Medtronic, Inc. (NYSE:MDT) belongs to Healthcare sector. Its net profit margin is 22.90% and weekly performance is 2.40%. On last trading day company shares ended up $73.48. Medtronic, Inc. (NYSE:MDT) distance from 50-day simple moving average (SMA50) is 10.79%.

Zacks reiterated their neutral rating on shares of Schlumberger Limited. (NYSE:SLB) in a research note released on Monday morning. They currently have a $104.00 target price on the stock. Schlumberger Limited (NYSE:SLB) shares decreased -2.51% in last trading session and ended the day at $92.81. SLB Gross Margin is 22.70% and its return on assets is 10.10%. Schlumberger Limited (NYSE:SLB) quarterly performance is -15.44%.

U.S. Concrete, Inc. (NASDAQ:USCR) has been upgraded by TheStreet Ratings from Hold to Buy with a ratings score of B-. On 26 November, U.S. Concrete, Inc. (NASDAQ:USCR) shares decreased -0.31% and was closed at $28.66. USCR EPS growth in last 5 year was 15.90%. U.S. Concrete, Inc. (NASDAQ:USCR) year to date (YTD) performance is 26.65%.

On Nov 11, Circuit board maker Viasystems Group, Inc. (NASDAQ:VIAS) reported a wider loss in the third quarter, citing a temporary work stoppage in China, a downturn in certain sales, and supply disruptions of certain raw materials used to make printed circuit boards as among the factors that affected the bottom line. kThe Clayton-based maker of printed circuit board posted Monday a loss of $16.6 million, or 82 cents per share, compared with a loss of $9.2 million, or 45 cents per share, a year earlier. Sales declined 3 percent to $299.3 million. Viasystems Group, Inc. (NASDAQ:VIAS) ended the last trading day at $15.87. Company weekly volatility is calculated as 2.31% and price to cash ratio as 4.43. Viasystems Group, Inc. (NASDAQ:VIAS) showed a weekly performance of 1.73%.

Rio Tinto plc (NYSE:RIO), operator of the Diavik Diamond Mine in Canada, has formally approved the development of a fourth pipe, known as A21, at the remote subarctic Diavik mine site. The A21 pipe development was part of the original mine plan and is likely to cost $350 million over four years. Rio Tinto plc (NYSE:RIO) belongs to Basic Materials sector. Its net profit margin is 1.20% and weekly performance is 2.73%. On last trading day company shares ended up $47.43. Rio Tinto plc (NYSE:RIO) distance from 50-day simple moving average (SMA50) is -3.13%.