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Apple cleaning up in China, Nike vs. Under Armour and Icahn's track record

Yahoo Finance
Yahoo Finance

U.S. earnings and European monetary policy are sending stocks (^DJI, ^GSPC, ^IXIC) higher in a big way today with all major indices popping by more than a percent in morning trading. The European Central Bank kept interest rates unchanged. As for U.S. earnings, it was a mixed bag for 3M (MMM) and Caterpillar (CAT), but McDonald's (MCD) beat and sent the stock up 7%.

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Here are some of the other stories Yahoo Finance is keeping an eye on today.

Report: Comcast to get into cell service
Comcast (CMCSA), the nation's largest cable TV provider looks set to invoke a clause in an old spectrum deal with Verizon (VZ) to resell service on the mobile provider's network.

Under Armour vs. Nike
Under Armour (UA) is encroaching on Nike's (NKE) turf. The Baltimore-based sporting-goods company is planning to move its  global footwear operations to Portland Oregon, just 10 miles away from Nike's global headquarters.  And the spot Under Armour picked is right across the street from Duniway Park, a public park Nike has previously sponsored. To Nike's ire, Under Armour is now offering to fund a renovation of the park.

 Apple cleaning up its act in China
Apple (AAPL) is looking to clean up its production in China. The tech giant plans to produce 2.2 gigawatts of solar power and other renewable energy, in an effort to reduce the air pollution caused by its Chinese factories.