Major indices declined in midday trading on concerns that global growth would be stymied by continued economic unrest in China.

The S&P 500 was down 1.8% to 1,998.23. The Dow Jones Industrial Average was down 1.9% to 16,676.85. The Nasdaq was down 2% to 4,781.71.

The yield on a 10-year Treasury bond was down 2.21% to 2.04%.

The price of gold was up 0.5% to $1,158.30.

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Orange County retailers were pulled down by the overall market and a broad sell-off in apparel retailers as more than a dozen comparable companies also declined at midday.

Irvine-based Boot Barn Holdings Inc. was down 7.1% to $21.85 and a $612 million market cap. Irvine-based Tilly’s Inc. was down 3.8% to $8.63 and a $252 million market cap. Anaheim-based Pacific Sunwear of California Inc. was down 4.8% to 50 cents and a market cap of $36 million.