Yahoo

There are mobile apps to help us with just about every chore, and investing is no exception. Whether you want to track a basic portfolio or delve into corporate reports and balance sheets, options are available.

The Patriots and Giants will interrupt the entertainment to run some football plays, but everyone knows the Super Bowl is all about the commercials, and at $3.5 million for 30 seconds, sponsors must think they'll get their money's worth. But will their shareholders feel the same way?

Google, Facebook and other big tech companies are jointly designing a system for combating email scams known as phishing. Such scams try to trick people into giving away passwords and other personal information by sending emails that look as if they come from a legitimate bank, retailer or other business.

Yahoo's embattled co-founder Jerry Yang is off the board, but for disgruntled investor Third Point LLC, that's not good enough. The hedge fund with a 5.2% stake in Yahoo wants to take down Chairman Roy Bostock and potentially three other directors.

There's never a dull moment on Wall Street, especially now that we're hitting 2012's first earnings season. What will help shape the week that lies ahead? Earnings and answers from banks, Google, eBay and IBM, and a big education related announcement from Apple.

It'll be an interesting week in the news of the new: Yahoo has a fresh CEO, auto shows and the CES will show off the latest in cars and tech, and a major homebuilder will tell us how new construction is doing. (Oh, and JP Morgan will give us a clue about how the banks are faring.)

On Wednesday, Yahoo named Scott Thompson as CEO. He's a former PayPal president and veteran technologist -- and that's the trouble: Yahoo is following the same strategy that led it to hire Carol Bartz, who was ousted for failing to turn the company around.