Stocks in news: Yamana Gold, Inc. (NYSE:AUY), Synthetic Biologics Inc. (NYSEMKT:SYN), Zix Corporation (NASDAQ:ZIXI), MAG Silver Corp. (NYSEMKT:MVG), SunEdison, Inc. (NYSE:SUNE)

Yamana Gold (NYSE:AUY) was downgraded by equities research analysts at Credit Suisse from an “outperform” rating to a “neutral” rating in a research note issued to investors on Tuesday, reports. Yamana Gold, Inc. (NYSE:AUY) belongs to Basic Materials sector. Its net profit margin is -94.50% and weekly performance is 0.00%. On last trading day company shares ended up $4.03. Yamana Gold, Inc. (NYSE:AUY) distance from 50-day simple moving average (SMA50) is -6.46%.

On Dec. 22, Synthetic Biologics, Inc. (NYSEMKT:SYN), announced positive topline safety and tolerability results from a Phase 1a clinical trial of SYN-004, the Company’s investigational oral beta-lactamase enzyme for the prevention of Clostridium difficile (C. difficile) infection, antibiotic-associated diarrhea and secondary antibiotic-resistant infections in patients receiving intravenous (IV) beta-lactam antibiotic therapy. Synthetic Biologics Inc. (NYSEMKT:SYN) shares advanced 1.37% in last trading session and ended the day at $1.48. SYN return on assets is -163.60%. Synthetic Biologics Inc. (NYSEMKT:SYN) quarterly performance is -8.64%.

On Dec 17, Zix Corporation (NASDAQ:ZIXI), gives an honest look at the extent full-time employees in the U.S. spend working outside of their regular ‘9 to 5’ schedule. The USamp conducted study, which surveyed more than 1,000 individuals, revealed that two out of three full-time professionals find themselves working outside of their regular work hours with 57 percent planning to work during their upcoming holiday break. On 26 December, Zix Corporation (NASDAQ:ZIXI) shares advanced 0.80% and was closed at $3.76. ZIXI EPS growth in last 5 year was 41.50%. Zix Corporation (NASDAQ:ZIXI) year to date (YTD) performance is -17.54%.

MAG Silver Corp (NYSE:MVG) was the target of a significant decline in short interest during the month of December. As of December 15th, there was short interest totalling 684,196 shares, a decline of 8.4% from the November 28th total of 746,887 shares, AR Network reports. MAG Silver Corp. (NYSEMKT:MVG) ended the last trading day at $6.82. Company weekly volatility is calculated as 10.26% and price to cash ratio as 5.36. MAG Silver Corp. (NYSEMKT:MVG) showed a weekly performance of -6.96%.

On Dec 17, SunEdison, Inc. (NYSE:SUNE) says that the National Energy Commission in Chile has awarded SunEdison a contract to supply 570 gigawatt hours of clean energy a year. To meet the demand, SunEdison will be investing more than $700 million USD to develop 350 megawatts of utility scale solar photovoltaic power plants throughout the country. SunEdison, Inc. (NYSE:SUNE) shares advanced 2.51% in last trading session and ended the day at $19.99. SUNE Gross Margin is 5.20% and its return on assets is -15.10%. SunEdison, Inc. (NYSE:SUNE) quarterly performance is 3.09%.