The Dow & S&P 500 inched down in a choppy session Tuesday.
Unnerving investors: U.S. President Donald Trump's threat to shut down the U.S. government and political uncertainty in Britain.
Redmount Capital Partners chief investment officer Vincent Catalano says Wall Street could enter a bear market.
SOUNDBITE: REDMOUNT CAPITAL PARTNERS CHIEF INVESTMENT OFFICER VINCENT CATALANO, (ENGLISH) SAYING: "I think the market's on the cusp of possibly turning from a bull market into a cyclical bear market, a period in which prices decline in the United States pretty substantially over a relatively short period of time." Among the market leaders: defensive stocks like healthcare, consumer staples and utilities.
Auto stocks like GM, Ford and Tesla rose after a U.S. official told Reuters China has indicated it'll cut tariffs on U.S. autos.
Alphabet shares rose.
CEO Sundar Pichai told Congressional lawmakers its Google unit doesn't plan to relaunch a search engine in China.
Pfizer shares fell after JP Morgan downgraded the drugmaker to "neutral" from "overweight." The major indexes in Europe gained more than one percent.
Materials and tech stocks led a broad rally.