The S&P 500 declined 1.1% in midday trading to 2,821.08.
The Dow Jones Industrial Average fell 1.5% to 26,048.54.
The Nasdaq dropped 1% to 7,390.72.
The yield on a 10-year Treasury bond jumped 0.7% to 2.72%.
The price of gold was down 0.4% to $1,340.
Santa Ana-based Kush Bottles Inc. (OTC: KSHB) fell 6% to $6.44 and a $399 million market cap. Shares of the supplier of cannabis paraphernalia have tripled since November.
Newport Beach’s Clean Energy Fuels Corp. (Nasdaq: CLNE) dropped 5.3% to $1.60 and a $242 million market cap. Shares of the supplier of renewable natural gas and fueling stations have plunged 27% since Jan. 10 and are now at a 52-week low.