The S&P 500 was down 0.7% in midday trading to 2,060.61.

The Dow Jones Industrial Average was down 0.9% to 17,539.97.

The Nasdaq was down 0.4% to 5,046.20.

The yield on a 10-year Treasury bond was down 1% to 2.31%.

The price of gold was down 0.3% to $1,081.

REAL ESTATE

Orange County homebuilders were down on increased expectations of an interest rate hike in December.

Irvine-based CalAtlantic Group Inc. was down 2.2% to $39.88 and a $4.8 billion market cap. Irvine-based Tri Pointe Group Inc. was down 2.8% to $13.29 and a $2.2 billion market cap. Newport Beach-based William Lyon Homes was down 4.7% to $16.11 and a $507 million market cap. Aliso Viejo-based New Home Co. Inc. was down 3% to $13.95 and a $230 million market cap.

RESTAURANTS

Costa Mesa-based El Pollo Loco Holdings Inc. was down 3.3% to $11.69 and a $447 million market cap. The fast-food chain is scheduled to report earnings after markets close today.

RETAIL

Irvine-based Boot Barn Holdings Inc. was down 12.6% to $10.53 and a $278 million market cap in a second day of declines and high-volume trading since the western wear retailer reported a quarterly loss this week. Its shares have fallen about 30% in the last two trading sessions.

HEALTHCARE

Aliso Viejo-based CNS Response Inc. was up 31% to 6 cents and a $6 million market cap. The mental health data analytics company has traded at a high volume, and shares are up about 50% since it said last week it would change the company’s name by the end of the year to MYnd Analytics.