The Shanghai Composite tumbles more than 4%, and is down 20% since its peak two weeks ago in what some say is now a bear market. The Wall Street Journal's Kelly Evans discusses what that means for the U.S. stock market.
The Shanghai Composite tumbles more than 4%, and is down 20% since its peak two weeks ago in what some say is now a bear market. The Wall Street Journal's Kelly Evans discusses what that means for the U.S. stock market.