Mark Doerr

Mark Doerr is a principal and senior research analyst at Tech Insider covering medical technology companies with a focus on cardiovascular and related therapeutic technology. Mark leverages his prior experience as the director of marketing and business development at a medical device company, along with an extensive network of physician and industry relationships, to provide a unique perspective on the medtech sector. Prior to joining Tech Insider in 2011 he covered medical technology for four years at Craig-Hallum Capital, and has in total 20 years of financial and medtech industry experience.

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After-Hours Movers: HudBay Minerals (NYSE:HBM), Digirad Corporation (NASDAQ:DRAD), Measurement Specialties (NASDAQ:MEAS)

HudBay Minerals (NYSE:HBM) announced that it has acquired 10,127,500 common shares of Panoro Minerals Ltd. at a purchase price of C$0.28 per Share for total consideration of C$2,835,700. The shares acquired by Hudbay (NYSE:HBM)were purchased over the TSX Venture Exchange pursuant to a private agreement and represent approximately 4.9% of the issued and outstanding Shares….

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Mid Cap Bearish Stocks: SolarCity Corp (NASDAQ:SCTY), Yelp Inc (NYSE:YELP), Qlik Technologies Inc (NASDAQ:QLIK), Rackspace Hosting (NYSE:RAX)

Solar photovoltaic installer SolarCity Corp (NASDAQ:SCTY) has now teamed up with the big-box retailer Best Buy Co., Inc. (NYSE:BBY) to make solar services readily available to customers. The shares of SolarCity Corp (NASDAQ:SCTY) gained 7.0% yesterday on the news. SolarCity Corp (NASDAQ:SCTY) stock performance was -5.63% in last session and finished the day at $74.08….

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Mid Cap Active Stocks: Advanced Micro Devices (NYSE:AMD), J.C. Penney Company (NYSE:JCP), Safeway (NYSE:SWY), American Airlines Group (NASDAQ:AAL)

Shares of Advanced Micro Devices Inc. (NYSE:AMD) were moving higher Tuesday after Ascendiant Capital started coverage of the stock with a Buy rating. Advanced Micro Devices, Inc. (NYSE:AMD) stock performance was 1.56% in last session and finished the day at $3.91. Traded volume was 14.75million shares in the last session and the average volume of…

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Active Runners At NYSE: Verizon Communications Inc. (NYSE:VZ), General Electric Company (NYSE:GE), AT&T Inc. (NYSE:T), Citigroup Inc (NYSE:C)

When Japan’s Mitsuba Corporation needed to ensure that its global communications infrastructure would support the company’s ongoing expansion, it turned to Verizon Communications Inc. (NYSE:VZ) for help. Verizon Communications Inc. (NYSE:VZ) stock performance was -0.73% in last session and finished the day at $46.36. Traded volume was 45.52million shares in the last session and the…

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Social Stocks In News: Facebook Inc (NASDAQ:FB), Twitter Inc (NYSE:TWTR), Yelp Inc (NYSE:YELP), Renren Inc (NYSE:RENN)

Facebook (NASDAQ:FB) COO Sheryl Sandberg sold 283,334 shares of the stock in a transaction that occurred on Tuesday, March 11th. The shares were sold at an average price of $71.69, for a total transaction of $20,312,214.46. Facebook Inc (NASDAQ:FB) stock performance was 1.11% in last session and finished the day at $70.88. Traded volume was…

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Diversified Communication Services: BlackBerry Ltd (NASDAQ:BBRY), Oi SA (NYSE:OIBR), Crown Castle International (NYSE:CCI), Vonage Holdings Corp. (NYSE:VG)

BlackBerry Ltd (NASDAQ:BBRY) (TSE:BB) is going through a tough time with low stock prices, losses and a declining market share. Recently, CEO John Chen said that the company has equal chances of being successful or the other way around. BlackBerry Ltd (NASDAQ:BBRY) stock performance was -0.97% in last session and finished the day at $9.22….

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