Activist investor Bill Ackman is convinced Herbalife is a pyramid scheme. A financial re-audit doesn't answer that question, but the clean results send Herbalife stock soaring, leaving Ackman in a deeper hole.
AIG CEO Bob Benmosche is making good on his promise to sell non-core assets. The company is going back to its insurance roots and investors couldn't be happier.
MasterCard surged after announcing a stock split that will make shares more affordable to average investors. Should Apple and Priceline follow MasterCard's lead?
Twitter is off to a much better start as a public company than Facebook was in 2012. But Twitter still has to find a way to be profitable if it really wants to compete with Facebook.
Although food distributor Sysco has lagged the broader market this year, shares soared Monday after it agreed to buy rival U.S. Foods from private equity firms.
The jobs report was strong and the markets are celebrating. Sure, the Fed may taper sooner rather than later. But that's not a bad thing as long as the economy is improving.
Apple is in the green for 2013 and shares are nearing $600 thanks to a reported China Mobile deal. But to get above its all-time high, Apple must innovate.
Good news for J.C. Penney. Sales were up big in November. Bad news. Wall Street still wants more.
Shares of eBay got a nice pop due to healthy online shopping sales over Thanksgiving weekend. PayPal's growth is also helping.