Stock Analysts’ upgrades for Tuesday, August 15th:

Cabot Corporation (NYSE:CBT) was upgraded by analysts at J P Morgan Chase & Co from a neutral rating to an overweight rating.

Continental Resources (NYSE:CLR) was upgraded by analysts at Piper Jaffray Companies to a buy rating. The firm currently has $52.00 price target on the stock.

Four Corners Property Trust (NYSE:FCPT) was upgraded by analysts at UBS AG from a market perform rating to an outperform rating.

Flowserve Corporation (NYSE:FLS) was upgraded by analysts at UBS AG from a neutral rating to a positive rating.

GoPro (NASDAQ:GPRO) was upgraded by analysts at Goldman Sachs Group, Inc. (The) from a sell rating to a neutral rating.

Allscripts Healthcare Solutions (NASDAQ:MDRX) was upgraded by analysts at Cantor Fitzgerald from a neutral rating to an overweight rating.

The Middleby Corporation (NASDAQ:MIDD) was upgraded by analysts at Macquarie from a neutral rating to an outperform rating.

Nabors Industries (NYSE:NBR) was upgraded by analysts at Guggenheim from a neutral rating to a buy rating.

NBT Bancorp (NASDAQ:NBTB) was upgraded by analysts at Boenning Scattergood from an underperform rating to a neutral rating.

NetApp (NASDAQ:NTAP) was upgraded by analysts at Longbow Research from a neutral rating to a buy rating.

Northwest Natural Gas (NYSE:NWN) was upgraded by analysts at Zacks Investment Research from a hold rating to a buy rating. The firm currently has $72.00 target price on the stock. According to Zacks, “NW Natural is principally engaged in the distribution of natural gas. The Oregon Public Utility Commission (OPUC) has allocated to NW Natural as its exclusive service area a major portion of western Oregon, including the Portland metropolitan area, most of the fertile Willamette Valley and the coastal area from Astoria to Coos Bay. NW Natural also holds certificates from the Washington Utilities and Transportation Commission (WUTC) granting it exclusive rights to serve portions of three Washington counties bordering the Columbia River. “

Obsidian Energy (NYSE:OBE) (TSE:PWT) was upgraded by analysts at Zacks Investment Research from a sell rating to a hold rating. According to Zacks, “Obsidian Energy Ltd. is a conventional oil and natural gas producer and development company. Obsidian Energy Ltd, formerly known as Penn West Petroleum Ltd, is based in Calgary, Canada. “

OpGen (NASDAQ:OPGN) was upgraded by analysts at Zacks Investment Research from a hold rating to a buy rating. The firm currently has $0.25 target price on the stock. According to Zacks, “OpGen, Inc. is a microbial genetics analysis company. The Company offers optical mapping services for analysis of microbial, yeast and fungal genomic architecture. OpGen, Inc. headquartered in Gaithersburg, Maryland. “

Otonomy (NASDAQ:OTIC) was upgraded by analysts at J P Morgan Chase & Co from a neutral rating to an overweight rating.

Otter Tail Corporation (NASDAQ:OTTR) was upgraded by analysts at Zacks Investment Research from a hold rating to a buy rating. The firm currently has $46.00 target price on the stock. According to Zacks, “OTTER TAIL’s primary business is the production, transmission, distribution and sale of electric energy. The Company, through its subsidiaries, is also engaged in other businesses which are referred to as Health Services Operations and Diversified Operations. “

Profire Energy (NASDAQ:PFIE) was upgraded by analysts at Zacks Investment Research from a hold rating to a buy rating. The firm currently has $1.75 price target on the stock. According to Zacks, “Profire Energy, Inc. manufactures, installs and services oilfield combustion management systems and related burner products. The Company’s products aid oil and natural gas producers in the safe and efficient development and transportation of carbon-based fuels. Its products include Profire 2100 and the Profire 1100, Profire 1100i and fuel-trains or valve-trains, which comprise piping, valves, and controls related to the process of providing fuel to burners, as well as having safety controllers to monitor operations. Profire Energy, Inc. is based in Lindon, Utah. “

PennantPark Floating Rate Capital (NASDAQ:PFLT) was upgraded by analysts at Zacks Investment Research from a hold rating to a buy rating. They currently have $16.00 price target on the stock. According to Zacks, “PennantPark Floating Rate Capital Ltd. is a business development company. It is a closed-end, externally managed and non-diversified investment company. Its investment objectives are to generate current income and capital appreciation by investing primarily in floating rate loans and other investments made to the United States middle-market companies. The firm provides first lien secured debt and other opportunistic financings (mezzanine, private high yield debt, preferred and common stock) to middle market sponsors and companies. Its investments may include equity features, such as direct investments in the equity securities of borrowers or warrants or options to buy a minority interest in a portfolio company. It has investments in various sectors, including aerospace and defense; consumer services; healthcare and pharmaceuticals, and others. The firm has a value-oriented, bottoms-up investment philosophy. Its investment activities are managed by the investment advisor, PennantPark Investment Advisers LLC. “

PFSweb (NASDAQ:PFSW) was upgraded by analysts at Zacks Investment Research from a hold rating to a strong-buy rating. The firm currently has $9.00 price target on the stock. According to Zacks, “PFSWeb Inc. is an international provider of transaction management services for both traditional commerce and electronic commerce, or e-commerce, companies. The company provides a broad range of services, including order management, customer care services, billing services, information management and fulfillment and distribution services. The fulfillment and distribution services are conducted at the warehouses and include picking, packing and shipping the clients’ customer orders. “

Sabra Healthcare REIT (NASDAQ:SBRA) was upgraded by analysts at Jefferies Group LLC from a hold rating to a buy rating.

Standard Life Plc (LON:SL) was upgraded by analysts at Barclays PLC to an overweight rating. They currently have GBX 510 ($6.62) target price on the stock, up from their previous target price of GBX 343 ($4.45).

Snap (NYSE:SNAP) was upgraded by analysts at Cantor Fitzgerald from a neutral rating to an overweight rating.

Wynn Resorts, Limited (NASDAQ:WYNN) was upgraded by analysts at Deutsche Bank AG from a hold rating to a buy rating.

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