The S&P 500 declined 0.2% in midday trading to 2,586.70.
The Dow Jones Industrial Average fell 0.2% to 23,509.60.
The NASDAQ declined 0.3% to 6,763.18.
The yield on a 10-year Treasury bond fell 0.7% to 2.30%.
The price of gold fell 0.5% to $1,275.
Costa Mesa’s Veritone Inc. (Nasdaq: VERI) plunged 14% to $31.52 and a $470 million market cap. Veritone, an online media ad placement company trying to break into artificial intelligence, yesterday reported third-quarter revenue that missed the average estimate of analysts.
San Clemente-based Glaukos Corp. (NYSE: GKOS) dropped 11% to $31.32 and a $1 billion market cap. The company, a maker of products to treat glaucoma, is scheduled to release its third-quarter results after the markets close today. The shares had risen 12% in the past month before today.