Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of MoneyGram (NYSE: MGI) soared today by as much as 14% after the company announced a new deal with major retailer Wal-Mart Stores (NYSE: WMT).

So what: Through a freshly inked three-year agreement, MoneyGram will continue providing its branded financial services throughout Wal-Mart stores in the U.S. and Puerto Rico, including money transfers, bill payments, and money orders. It's an extension of the two companies' 13-year relationship.

Now what: This is the fourth time that MoneyGram has renewed the deal with Wal-Mart since 1999, and it technically begins in April of next year. Investors are cheering today for MoneyGram's continued presence throughout Wal-Mart's wide network of stores. The deal renewal removes any potential uncertainties, and the bulls were out in full force today.

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