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 Research In Motion (NYSE:BB) jumped today by as much as 11% on hopes that the company's new BlackBerry 10 operating system will have a chance against rivals, following reports that Apple's (NASDAQ:AAPL) iPhone 5 is experiencing "weaker-than-expected demand" along with positive analyst comments.

So what: The Wall Street Journal reported that Apple is reducing iPhone 5 component orders and speculates that the device is seeing soft demand. If true, that could potentially give RIM some room to gain market share with its new BlackBerry 10 platform that launches on Jan. 30. -- just over two weeks away.

Now what: Additionally, TD Securities analyst Scott Penner expressed some bullishness about BB10's prospects, saying the lack of major smartphone announcements over the past couple weeks could be positive for RIM as it may be able to garner more attention with its launch. Penner also believes that BlackBerry 10 will be competitive with Apple, Samsung, Nokia (NYSE:NOK), and other companies in the sector. Carriers in emerging markets are also preparing for BB10's launch.

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