The S&P 500 was down 0.3% in midday trading to 2,057.49.
The Dow Jones Industrial Average was down 0.4% to 17,644.72.
The NASDAQ was flat at 4,739.41.
The yield on a 10-year Treasury bond was down 2.5% to 1.72%.
The price of gold was up 0.1% to $1,273.
Irvine-based Western Digital Corp. was down 2.2% to $35.58 and an $8.3 billion market cap. Bank of America downgraded the storage products maker’s shares to “underperform.”
Irvine-based CalAtlantic Group Inc. was up 2% to $34.41 and a $4.1 billion market cap. Raymond James upgraded the builder’s shares to “outperform” with a price target of $39.
Irvine-based Boot Barn Holdings Inc. was down 9% to $6.52 and a $172 million market cap on high volume. The western apparel chain is scheduled to report results Wednesday.