The S&P 500 was down 0.1% in midday trading to 2,499.38.
The Dow Jones Industrial Average declined 0.1% to 22,328.46.
The NASDAQ fell 0.1% to 6,418.48.
The yield on a 10-year Treasury bond was down 0.8% to 2.26%.
The price of gold was up 0.3% to $1,298.
Veritone Inc. (NASDAQ: VERI) was up 8.7% to $58.36 and an $873 million market cap on very high volume. Shares in the media and AI company have risen more than seven-fold in the past month.
Adomani Inc. (NASDAQ: ADOM) was up 4.2% to $8.20 and a $558 million market cap on high volume. Shares in the company, which retrofits fleet vehicles with electric drivetrains, had by midday traded about 475,000 shares, triple its daily average.
ChromaDex Corp. (NASDAQ: CDXC) was down 7.8% to $3.97 and a $191 million market cap on high volume. The ingredients maker had traded shares by midday at a rate twice its average.