Yahoo shares, which are down roughly 15 percent since the start of the year, rose about as much as 8 percent in after-hours trading.
Start-ups often find it tough to protect their ideas, especially when faced with so-called "clone factories." But most are unfazed.
Is gold going to $1,000 or $5,000? Peter Schiff and Paul Krake do battle over that question.
Shares of Twitter closed up nearly 12 percent Monday after the company said it was buying Gnip and announced a key hire from Google.
It may be one of the biggest cities in the country, but Boston was a small town on Tuesday as it mourned the losses it suffered in carnage a year ago.
Bill Ackman wants the world to have a better understanding of why people act the way they do.
Ukrainian forces launched a "special operation" on Tuesday against separatist militia in the Russian-speaking East.
The Obama administration on Tuesday told Beijing it was watching the value of China's currency closely.
Veteran trader Art Cashin says 10-year Treasury bonds are once again setting the tone for Tuesday's rout on Wall Street.
The effects of Obamacare will be difficult to measure as the Census Bureau is changing its annual survey. NYT reports.
While stocks aren't as cheap as they were a year ago, Bill Nygren made four new portfolio additions.
The Fed should "explicitly" say it will keep rates near zero until the economy is within a year of reaching Fed goals, a policymaker said.
Individual investors often ask Jim Cramer if they should use stop-loss orders to protect against a major selloff.
A man may have been allowed to use an electronic cigarette on a flights from Calgary to Toronto.
Stocks jump, fall, then rise. The whipsaw action has recently become commonplace among major indices.
An estimated 85 percent of public pensions could fail in 30 years, according to controversial new research by Bridgewater Associates.
"It's nothing more than a land grab," said a business owner in Philadelphia over efforts by the city to take his property.
Four major tech companies said witnesses should not be allowed to offer evidence that Steve Jobs was a "bully" during an upcoming hiring trial.
Coca-Cola showed a slight improvement in soda sales trends in the first quarter. But it a real turnaround may be a ways off.
Selling accelerated after gold broke through its 200-day moving average of $1,300, a key level where many traders placed their stop-loss orders.