Stocks were mostly lower on Wednesday as investors braced for the Federal Reserve's big interest rate decision, where the central bank is widely expected to hike rates by half a percentage point.
The Dow Jones Industrials gained 26.43 points to 33,155.22.
The S&P 500 slid 14.2 points to 4,161.28.
The NASDAQ Composite plummeted 151.13 points, or 1.2%, to 12,412.63.
Markets are preparing for a hawkish Fed, and the central bank is also expected to announce a plan to cut its roughly $9-trillion balance sheet by $95 billion a month, beginning in June.
Respondents to the most recent survey indicated they expect the central bank to announce the long-anticipated 50-basis-point hike on Wednesday, followed by a second one in June as it looks to cut its balance sheet. The majority of respondents also expect a recession at the end of the tightening cycle.
Weakness in some major tech stocks were weighing on the NASDAQ on Wednesday. Shares of Amazon and Netflix fell more than 2% each, while Google-parent Alphabet was off by 1%.
Corporate earnings reports were leading to notable moves on Wednesday. Lyft plummeted 29% after the ridesharing company shared on Tuesday evening weak guidance for the current quarter as it expects to invest in driver supply. Rival Uber dropped 8%.
Elsewhere, chipmaker Advanced Micro Devices also moved higher following its report, gaining about 6%, after beating estimates and delivering strong guidance. Casino stock Caesars Entertainment was under pressure after the company missed estimates on the top and bottom lines.
Airbnb rose 3.6% as the company expects a continued travel rebound, and Starbucks added 2.4% after topping revenue estimates.
Treasury prices gained only slightly, with yields falling to 3% from Tuesday's 2.98%. Treasury prices and yields move in opposite directions.
Oil prices popped $3.68 to $106.09 U.S. a barrel.
Gold prices faded $6.30 to $1,864.30 U.S. an ounce.