Following are the day’s biggest winners and losers. Find out why shares of Barrick Gold and Research In Motion popped while Mastercard and Teva Pharma dropped.   Read More

What follows is a look at stocks in the S&P 500 displaying unusual volume in today's trading session.   Read More

While the Burlington Northern deal is getting a lot of attention, it has not brought pre-open trading in the S&P futures into positive territory yet. Risk aversion has become a more prominent theme since last Wednesday, when the S&P 500 dropped below its 50-day moving average for the first time since July.    Read More

After reporting a solid profit in the fourth quarter, this firm is set to grow more than 20 percent going forward, said Rick Shane, an analyst at Jeffries & Co.   Read More

Visa reported strong earnings that topped last year's and outstripped Wall Street forecasts. Craig Maurer, equity analyst at Calyon Securities, discussed his outlook on the firm and other credit card companies going forward.    Read More

Of the major indexes, the Nasdaq fared the worst on Tuesday. Is the tech trade over?   Read More

Investors are eager for signs that the economic recovery is underway - and after hours it seems Alcoa delivered.    Read More

This stock’s a great play on the move from paper money to plastic cards.   Read More

On Wednesday, the convenience store chain delivered a petition to Capitol Hill Wednesday with nearly 1.7 million signatures on it, urging Congress to pass legislation from stopping credit cards in charging 'excessive transaction fees.'    Read More

After hours the traders poured over Nike earnings, looking for insights into Wednesday’s market action as well as trading opportunities.   Read More