Groupon (NASDAQ:GRPN) Soars 10% On Heavy Trading -GRPN, BP, EA, MSFT, DNN, YHOO

Groupon Inc(NASDAQ:GRPN) shares soared 9% after falling over 10% in the past couple of trading sessions. This morning, the stock reacted after the company’s news that it is all set to make a footprint in mobile payments, by launching "Groupon Payments." Groupon Payments allows merchants to swipe credit cards - not just for Groupon payments, but for any credit card transaction.

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BP plc (ADR)(NYSE:BP) is reportedly in talks to sell its Texas City refinery to Marathon Petroleum Corp., though it was unclear if a deal could be reached. The sale was aimed at raising up to 2.5 billion pounds ($4.1 billion). The selloff would be the latest in BP’s aims to help pay for costs related to the Deepwater Horizon disaster in 2010, bringing the company closer to its aim of $38 billion in disposals by the end of 2013. Neither BP nor Marathon could immediately be reached for comment.

Additionally, President Vladimir Putin held a surprise meeting with BP PLC's leadership on expanding its presence on the Russian market despite the litany of recent problems endured by the British energy giant in the country.

Electronic Arts Inc.(NASDAQ:EA) and Taoiseach, Mr. Enda Kenny T.D. announced the creation of 300 new jobs for EA's European Customer Experience Centre of Excellence in Galway, Ireland. Building on the foundation of its existing facility, EA will now provide multilingual international customer support and services for its major game titles.

Additionally, the company recently announced the upcoming sequel of the Dragon Age franchise. Developed by Bioware, the new game called Dragon Age 3: Inquisition is expected to release in late 2013.

Microsoft Corporation(NASDAQ:MSFT) shares declined 0.27% to $31.09. The company warned a newly discovered bug in its Internet Explorer web browser that makes PCs vulnerable to attack by hackers and urged customers to download a piece of security software to lessen the risk of infection.

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Denison Mines Corp (USA)(NYSEAMEX:DNN) shares had its target price cut by Raymond James from $1.80 to $1.70 in a research note issued to investors on Sept. 10. The firm currently has a market perform rating on the stock. The company is engaged in uranium mining and related activities, including acquisition, exploration and development of uranium bearing properties, extraction, processing, selling and reclamation.

Yahoo! Inc.(NASDAQ:YHOO) shares climbed 1.04% to $16.07 after Alibaba said it paid Yahoo! Inc about $6.3 billion in cash and $800 million in preferred shares in Alibaba Group. It also made a one-time cash payment of $550 million in connection with an amendment to the two companies' intellectual property license agreement. Separately, Yahoo said it will return to shareholders $3 billion of the $4.3 billion of after-tax proceeds from the sale.