The S&P 500 was up 0.1% in midday trading to 2,382.90.
The Dow Jones Industrial Average was up 0.1% to 20,953.74.
The NASDAQ was up 0.1% to 5,907.60.
The yield on a 10-year Treasury bond fell 0.9% to 2.50%.
The price of gold rose 0.2% to $1,229.
Foundation Building Materials Inc. in Tustin was up 3.4% to $16.71 and a $715 million market cap. The company, which distributes construction materials to residential and commercial builders, plans to report quarterly numbers on March 27.
ChromaDex Corp. in Irvine was down 10% to $2.71 and a $103 million market cap. The nutrient ingredient maker yesterday reported higher quarterly and annual losses on higher quarterly and annual revenue.