The S&P 500 was down 0.5% in midday trading to 2,453.46.
The Dow Jones Industrial Average was down 0.2 % to 22,820.
The Nasdaq declined 1.3% to 6,842.47.
The yield on a 10-year Treasury bond was up 0.3% to 2.80%.
The price of gold was down 0.6% to $1,260.
The price of oil was up 0.3% to $46.01 a barrel.
Irvine-based CoreLogic Inc. (NYSE: CLGX) shares declined 3.9% to $33.39 with a market cap of $2.7 billion. The provider of real estate data and analytics announced Friday it would be exiting certain non-core software platforms like its loan origination software unit over the next two years. Those platforms generated about $40 million in revenue during the first nine months this year.
ChromaDex Corp. (Nasdaq: CDXC) in Irvine jumped 16% to $3.25 with a market cap of $178 million. The supplement maker said it entered a licensing and supply deal on Thursday with Nestlé Health Science for its Tru Niagen product.