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.

Volatile Stocks: Saratoga Resources, Inc. (NYSEMKT:SARA), Methes Energies International Ltd. (NASDAQ:MEIL), MagneGas Corporation (NASDAQ:MNGA), Noranda Aluminum Holding Corporation (NYSE:NOR)

Saratoga Resources, Inc. (NYSEMKT:SARA) soared Tuesday after the oil company reported its Rocky 3 well exceeded expectations when it tested at an equivalent rate of 1,531 barrels of oil per day. The well also tested at 240 thousand cubic feet of gas per day, or net 1,288 barrels of oil equivalent per day. Saratoga Resources,…

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Stocks In News: Pattern Energy Group (NASDAQ:PEGI), Vectren Corp (NYSE:VVC), PNM Resources (NYSE:PNM), Just Energy Group (NYSE:JE), MDU Resources Group Inc (NYSE:MDU)

Pattern Energy Group Inc (NASDAQ:PEGI) has received final regulatory approval for the Southern Cross transmission project from the Federal Energy Regulatory Commission (FERC). The project is being developed to add a high voltage direct current (HVDC) transmission tie between ERCOT in Texas and the transmission grid deep in the southeastern US by 2019. Pattern Energy…

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Industrial Goods Stocks In News; Masco Corporation (NYSE:MAS), PulteGroup, Inc. (NYSE:PHM), Weyerhaeuser Company (NYSE:WY), Ballard Power Systems Inc. (USA) (NASDAQ:BLDP)

Zacks Investment Research downgraded Masco Corporation (NYSE:MAS) to a Zacks Rank #5 (Strong Sell) on May 21. Masco has been witnessing sharp downward estimate revisions ever since it reported weak first-quarter fiscal 2014 results on Apr 24, 2014. Also, the stock price has declined slightly more than 7% since then. Masco Corporation (NYSE:MAS) stock performance…

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Basic Material Active Stocks: Petroleo Brasileiro Petrobras (NYSE:PBR), Chesapeake Energy Corporation (NYSE:CHK), Vale (NYSE:VALE), Freeport-McMoRan Copper & Gold Inc. (NYSE:FCX)

Initially reported as a discovery in February 2013, Brazil’s Petroleo Brasileiro Petrobras SA (ADR) (NYSE:PBR) has confirmed that its 1-SPS-98 (1-BRSA-1063-SPS) well, the first to be drilled on Block BM-S-50 offshore Brazil, has tested carbonate reservoirs with good permeability. The block, informally known as Sagitario, is in Brazil’s ultradeepwater Santos basin presalt region 194 km…

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New Lows: ArQule, Inc. (NASDAQ:ARQL), AVEO Pharmaceuticals, Inc. (NASDAQ:AVEO), Tetralogic Pharmaceuticals Corp (NASDAQ:TLOG), TrovaGene Inc (NASDAQ:TROV)

ArQule, Inc (NASDAQ:ARQL) CEO Paolo Pucci purchased 5,000 shares of the company’s stock in a transaction dated Tuesday, May 20th. The stock was purchased at an average cost of $1.42 per share, with a total value of $7,100.00. Following the transaction, the chief executive officer now directly owns 232,280 shares of the company’s stock, valued…

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Volatile Stocks At NASDAQ: NewLead Holdings Ltd (NASDAQ:NEWL), ISIS Pharmaceuticals, Inc. (NASDAQ:ISIS), YY Inc (ADR) (NASDAQ:YY), Galena Biopharma Inc (NASDAQ:GALE)

NewLead Holdings Ltd (NASDAQ:NEWL) dropped off Thursday after shares of the shipping company had soared for three consecutive days. The company announced on Monday it had received deliver of NewLead Holdings Ltd (NASDAQ:NEWL) Albion, an eco-type handysize vessel with a capacity of 32,318 dwt. Shares promptly exploded 305.2% on Monday and continued to rise Tuesdya…

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