Stock Analysts’ downgrades for Friday, August 18th:

Africa Oil Corp. (OTCMKTS:AOIFF) was downgraded by analysts at ValuEngine from a hold rating to a sell rating.

Esterline Technologies Corporation (NYSE:ESL) was downgraded by analysts at ValuEngine from a buy rating to a hold rating.

First Citizens BancShares (NASDAQ:FCNCA) was downgraded by analysts at ValuEngine from a buy rating to a hold rating.

GWG Holdings (NASDAQ:GWGH) was downgraded by analysts at ValuEngine from a strong-buy rating to a buy rating.

Icon Plc (NASDAQ:ICLR) was downgraded by analysts at Zacks Investment Research from a buy rating to a hold rating. According to Zacks, “ICON plc is a global full service clinical research organisation. The company provides contract clinical research services to the pharmaceutical industry worldwide. “

Iteris (NYSE:ITI) was downgraded by analysts at Zacks Investment Research from a buy rating to a hold rating. According to Zacks, “Iteris, Inc. is a leading provider of outdoor vision systems and sensors that optimize the flow of traffic and enhance driver safety. Iteris combines outdoor image processing, traffic engineering, and information technology to offer a broad range of transportation and safety solutions. “

GEE Group (AMEX:JOB) was downgraded by analysts at Zacks Investment Research from a hold rating to a strong sell rating. According to Zacks, “GEE Group Inc. is a provider of professional staffing services and solutions. GEE Group Inc., formerly known as General Employment Enterprises, Inc., is based in Naperville, Illinois. “

Kobe Steel (NASDAQ:KBSTY) was downgraded by analysts at Zacks Investment Research from a buy rating to a hold rating. According to Zacks, “Kobe Steel, Ltd. is a steel manufacturer. The Iron and Steel segment manufactures and sells steel bars, stainless-steel products and titanium products. The company offers welding materials, welding robots, and conducts welding-related consulting business. The Aluminum and Copper segment offers rolled aluminum products, rolled copper products, aluminum alloy products, magnesium alloy products and others. The Machinery segment manufactures and sells various energy, chemical and nuclear power-related equipment. The Engineering segment conducts engineering works and provides new transportation systems. The Kobelco Eco-Solutions provides water treatment plants, chemical and food-related equipment. The Kobelco Construction Machinery segment offers hydraulic and mini excavators. The Kobelco Crane segment provides crawler cranes and rough terrain cranes. The others segment develops and leases real estate. “

Karyopharm Therapeutics (NASDAQ:KPTI) was downgraded by analysts at ValuEngine from a hold rating to a sell rating.

Kaz Minerals Plc (NASDAQ:KZMYY) was downgraded by analysts at Zacks Investment Research from a buy rating to a hold rating. According to Zacks, “KAZ Minerals PLC is involved in mining, producing and selling copper concentrates primarily in Kazakhstan and Kyrgyzstan. The company’s operating segment consists of East Region Operations, Mining Projects and Bozymchak segments. It operates underground mines in the East Region of Kazakhstan and open-pit mine in Bozymchak, Kyrgyzstan and develops various mining projects situated at Bozshakol, Aktogay, and Koksay. KAZ Minerals PLC, formerly known as KAZAKHMYS LTD, is headquartered in London, the United Kingdom. “

Transatlantic Petroleum (NYSEMKT:TAT) was downgraded by analysts at ValuEngine from a hold rating to a sell rating.