The stock-market selloff Tuesday shows how quickly social media such as Twitter can spread false information.

WSJ: False Associated Press Twitter Message Sparks Stock-Market Selloff

Mr. Norquist replies that their main goal is not to lower the deficit or avoid a stock-market selloff.

WSJ: The Weekend Interview with Grover Norquist: Washington Enemy No. 1

Stock gurus use the market selloff to pick up stocks like Home Depot and unload others like Kramont Realty.

FORBES: Stocks To Buy Amid The Market Carnage

The trading session followed a selloff in overseas stock markets after central bankers in the U.S. and Japan didn't satisfy investors' hopes for stimulus.

WSJ: U.S. Stocks Extend Losing Streak

The stock rebounded after a fairly steep selloff earlier in the year, and its price action is now better than 95% of stocks.

FORBES: Baidu And MercadoLibre Back In The Sweet Spot

Stock prices began to head lower in a selloff that quickly picked up steam.

WSJ: Twitter Hoax Sparks Swift Stock Swoon

Then a stock market tumble in Shanghai precipitated a worldwide selloff of risky assets.

FORBES: Prepare for a Storm

Reports of the incident on Monday triggered a selloff of China railway-related stock.

WSJ: Chinese High-Speed Rail Section Collapses

After recent earnings led to a downgrade by Goldman Sachs and a selloff, a few analysts remain bullish on the stock given its business model and current market position.

FORBES: Priceline: Stellar Quarter And More To Come, Analysts Say

The major decline in stock prices on Wednesday had some of the earmarks of a panic selloff, as the gains of the past five days were quickly erased.

FORBES: The Week Ahead: Key Levels to Watch