US Stocks in Sell-Off Again Due to Worries About China

More bad news from China leads to worries about a global economic slowdown.

A report in China said manufacturing in that country fell to a three-year low last month. The Shanghai Composite Index closed down today 1.2 percent. American investors fear that an economic slowdown in China will affect U.S. exports to that nation.

Get real-time updates as this story unfolds. To start, just "star" this story in ABC News' phone app. Download ABC News for iPhone here or ABC News for Android here.