The S&P 500 was up 0.5% in midday trading to 2,725.46.
The Dow Jones Industrial Average crossed the 25,000 threshold, rising 0.6% to 25,073.96.
The Nasdaq ticked higher 0.2% to 7,078.42.
The yield on a 10-year Treasury bond climbed 0.3% to 2.45%.
The price of gold inched up 0.1% $1,320.
Quality Systems Inc. (Nasdaq: QSII) in Irvine was down 4.8% to $13.21 and an $841 million market cap. The company’s software and services help automate dental and healthcare practice management.
Foundation Building Materials Inc. (NYSE: FBM) in Tustin was up 4.5% to $15.72 and a $673 million market cap. The company makes building products such as wallboard, metal framing and ceiling systems.
OC-based cannabis companies—Terra Tech Corp. (TRTC) and Cannabis Science Inc. (CBIS) in Irvine; Kush Bottles Inc. (KSHB) in Santa Ana; GreenGro Technologies Inc. (GRNH) in Garden Grove; Nemus Bioscience Inc. (NMUS) in Costa Mesa—were down 11% to 28% in a sell-off after three sessions of increases as the new law in California legalizing recreational marijuana went into effect Jan. 1.