Stocks

Gun share prices rise after mass shootings with the perception that tighter gun control rules will follow and that people need to better protect themselves.

Adding to uncertainty this week will be the rebalancing of Russell indexes, requiring fund managers to rebalance their own portfolios.

Fears of a China-led global slowdown, along with oil's steep slide, have dampened the market's expectations for a hike.

Global stocks plunged on Monday, with the Dow making its worst start to a year since 2008.

Worries that the weak Chinese data could portend slower world economic growth hurt Wall Street.

The Dow Jones industrial average rose 1.47 percent to 16,284.7.

The Nasdaq composite and S&P 500 both dropped more than 2 percent.

Major indexes fell almost 3 percent.

China's manufacturing sector shrank at its fastest pace in three years.

The Dow Jones industrial average rose 312.94 points to 15,979.38.

However, analysts stopped short of declaring that the worst was over.

Traders now see a 24-percent chance that the Federal Reserve will increase rates in September.

China's market gyrations have stoked fears among global investors about the broader health of the Chinese economy.

Apple fell 6.2 percent, Microsoft lost 3.5 and Yahoo shed 2.2 percent.

Amazon Prime customers purchased 35,000 Lord of the Rings Blu-Ray sets in 15 minutes.

The market suspended trading in all symbols.

A cyber espionage ring attacked more than 100 firms, most of them pharmaceutical and healthcare companies, to get insider information.

The current bull market still has a long way to go before it approaches the longest bull market in U.S. history, both in terms of duration and magnitude

Sales of the iPhone 6 and 6 Plus helped Apple chalk up a 12.2 percent jump in revenue last quarter

The current mood swings in the market can be explained by a branch of economic thought followed by Fed Chair Janet Yellen.

Athena Capital case gives a glimpse of how algorithms can be used to manipulate markets

The data suggests the economy remained on solid ground, with the labor market gaining steam.

Each of the major indexes fell more than 2 percent shortly after the open, sending the S&P 500 and Nasdaq into negative territory for the year, before paring losses.

Chinese internet giant Alibaba offers U.S. investors a way to profit from growth in China — if they dare

"This is the biggest IPO the world has ever seen, so there’s a celebratory mood on the floor, whether you like it or not."

How Brian Hunter, one of the most notorious traders in history, dodged a guilty verdict—and prison time

The California-based maker of luxury electric cars said it lost $61.9 million, or 50 cents a share

The company sold 35.2 million iPhones in an increasingly competitive smartphone market

"The report was very good and a real sign the economy is starting to take off," a strategist said

The SEC is pitted against other market regulators and members of Congress who believe U.S. markets are no longer fair