Indexes were down in midday trading on increased global trade tension.
The S&P 500 was down 0.7% 2,753.90, the Dow Jones Industrial Average 1.4% to 24,636.32, and the Nasdaq 0.8% to 7,688.59.
The yield on a 10-year Treasury bond dropped 1.7% to 2.88%.
The price of gold was 0.1% lower to $1,279.
Pacific Premier Bancorp Inc. (Nasdaq: PPBI) was up 2.8% to $41.65 and a $1.9 billion market cap. It got regulatory approval last week for its acquisition of Grandpoint Capital.
Clean Energy Fuels Corp. (Nasdaq: CLNE) in Newport Beach was up 5.8% to $3.20 and a $489 million market cap. Shares in the operator of natural gas fueling stations are up 10% this week; a France-based global natural gas firm recently took a 25% stake in the company and provided a $100 million credit line to expand its truck fleet supplying.