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.

TECHNOLOGY

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.

HEALTHCARE

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.