The S&P 500 was down 0.1% to 3,396.59 during midday trading.
The Dow Jones Industrial Average fell 0.5% to 27,538.72.
The Nasdaq climbed 0.5% to 11,416.98.
The yield on a 10-year Treasury bond fell 2.9% to 0.778%.
The price of gold increased 0.3% to $1,912.10
The price for a barrel of oil rose 2.4% to $39.49.
HEALTHCARE
Lake Forest-based medical device maker STAAR Surgical Co. (Nasdaq: STAA) rose 4.6% to $74.41 per share for a market cap of $3.4 billion, rebounding from a 5.2% plunge on Monday. The company will report third-quarter results on Nov. 4.
TECHNOLOGY
Vehicle telematics company CalAmp (Nasdaq: CAMP) in Irvine fell 4.6% to $7.76 per share for a market cap of $271 million. The shares have lost 7% in value since Wednesday amid uncertainty over a possible congressional economic stimulus package that could aid the transportation industry.
