The S&P 500 fell 0.21% to 1,444 in midday trading Wednesday.

The Nasdaq was up 0.06% to 3,056, while the Dow Jones Industrial Average was off 0.12% to 13,335.

The yield on a 10-year treasury bond was down 1.81% to 1.79%.

The price of gold rose 0.06% to $1,671 per ounce.

Shares of Irvine-based disk drive maker Western Digital Corp. rose about 4% to $41 after Craig-Hallum Capital Group LLC upgraded the company’s stock from “hold” to “buy.” Western Digital had a recent market value of $10 billion.

Santa Ana-based CoreLogic Inc. was down about 2% to $27 for a market value of $2.7 billion. The Federal Trade Commission issued orders on Tuesday to CoreLogic and eight other data brokerage companies requesting information on how they collect and use consumer information for purposes of studying privacy practices within the industry. The other companies are Acxiom, Datalogix, eBureau, ID Analytics, Intelius, Peekyou, Rapleaf and Recorded Future.

Shares of Santa Ana-based BJ’s Restaurants Inc. were off about 2% to $35 for a market value of $971 million. A Wedbush analyst downgraded the company’s stock from “outperform” to “neutral” based on the healthcare legislation’s expected impact on BJ’s and the affect of slower sales on the company’s ability to raise menu prices.