(CNBC) -- The Dow Jones Industrial Average fell on Tuesday after the market scored its best session in six weeks a day earlier on rising optimism about a coronavirus vaccine.
The 30-stock Dow traded 311 points lower, or 1.3%. The S&P 500 slid 0.7% while the Nasdaq Composite dipped 0.2%.
Both the Dow and S&P 500 fell to their session lows after a STAT News report raised concerns about the trial results for a potential coronavirus vaccine from Moderna.
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