The S&P 500 fell 0.61% to 1,789.91 in afternoon trading Tuesday.
The Dow Jones Industrial Average was down 0.83% to 15,875.27, while the Nasdaq was off 0.52% to 4,024.07.
The yield on a 10-year Treasury bond slipped 1.18% to 2.77%.
The price of gold fell 0.06% to $1,221.20 per ounce.
Aliso Viejo-based networking equipment maker QLogic Corp. was down about 3% to $11.90 for a market value of $1.03 billion. Networking gear makers were trading down on Tuesday.
Newport Beach specialty chemical products maker American Vanguard Corp. shares were off about 4% to $26.96 for a market value of $772.67 million. Chemical companies were generally down on Tuesday.