Take a look at some of Wednesday's midday movers:
Freeport-McMoRan – The miner and Southern Copper plummeted as copper prices fell to a more-than five-year low.
Exxon Mobil -The oil producer, Chevron, Hess and BP fell as crude wavered.
Goldman Sachs Group – The bank and others including Citigroup, and Bank of America dropped after JPMorgan Chase's weaker-than-expected quarterly earnings.
Wells Fargo – The bank dropped after its quarterly earnings failed to impress investors.
Netflix – The online-video service held steady after Stifel Nicolaus upgraded the stock to buy from hold.
American Axle & Manufacturing Holdings – The maker of axles and other automotive parts rose after it targeted an 11 percent increase in annual sales for 2015.
GoPro – The maker of wearable cameras rose as JMP repeated its market outperform rating.
Foot Locker – The shoe retailer fell after Goldman Sachs downgrade the stock to sell from neutral. Rival Finish Line also dropped.
General Motors – The auto manufacturer declined after its finance chief said there were no plans to raise GM's dividend this year.
Tesla Motors – The electric-car maker dropped as founder Elon Musk said the company won't be profitable until 2020.
Continental Resources The oil-exploration company fell after saying in a regulatory filing CEO Harold Hamm had pledged a quarter of his company shares as collateral for a personal loan.
Family Dollar Stores – The discount retailer fell as proxy advisory firm ISS advised shareholders to vote for an acquisition by Dollar Tree.
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