Midday movers: GoPro, Tesla Motors, Yahoo & more

New York Stock Exchange NYSE
Scott Mlyn | CNBC

Take a look at some of Monday's midday movers:

Alnylam Pharmaceuticals - The drug developer soared after reporting favorable results from a clinical trial involving a rare disease affecting the nervous system.

Ford Motor - The auto manufacturer edged down after saying it would add 850 jobs at its Dearborn, Mich., facilities for its new F-150 truck.

General Electric - The conglomerate fell after saying its aircraft-leasing unit said it would acquire Dublin-based helicopter leasing company Milestone Aviation for $1.78 billion.

GoPro - The maker of wearable cameras fell after a French journalist linked Michael Schumacher's brain injury in a skiing accident last year to a GoPro camera mounted to his helmet.

J.C. Penney Co. - The department-store operator rose after naming Home Depot executive Marvin Ellison as its CEO, replacing Myron Ullman in August 2015.

Kansas City Southern - The railway rose as did Norfolk Southern on a Wall Street Journal report that Canadian Pacific Railway had approached CSX about a possible merger.

Lakeland Industries - The maker of protective clothing rose as did competitor Alpha Pro Tech on news a Texas health worker contracted the Ebola virus.

Lithia Motors - The seller of new and used cars declined after issuing a third-quarter earnings warning.

Luxottica Group - The Italian maker of eye glasses fell after chief executive resigned.

Tesla Motors - The electric-car maker declined after Friday's negative investor reaction to its Model D.

Vertex Pharmaceuticals - The drug developer rose after positive comments from Needham on its latest drug for cystic fibrosis.

Yahoo - The search engine edged lower BGC upgraded its share to buy from hold.

(See CNBC's Market Insider Blog)

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