Here are some of the other stories we're keeping an eye on today at Yahoo Finance:
OPEC raises its oil production ceiling
Energy stocks were sliding after OPEC raised its production ceiling to 31.5 million barrels of oil per day. What's ahead for energy and oil stocks?
Gunmaker Smith & Wesson up almost 100% in 2015
Another sector that's up since October is defense and weapons manufacturing. What are the details behind this move, and what does this say about the economy and state of the world in general?
Uber's massive $62.5 billion valuation
Uber might not be public yet, but that didn't stop it from seeking to raise $2.1 billion in a private offering. The taxi-alternative is now valued at $62.5 billion. Is this valuation too high?
Zuckerberg defends charity pledge
Mark Zuckerberg is defending himself against his critics. The Facebook founder posted an explainer on the social media site as to why he and his wife chose to go a different route and not just give his money to charity. What is Zuckerberg's reasoning behind an LLC and not a foundation?