Indexes fell amid reports that Russians were not deescalating on the Ukraine border.
The S&P 500 dropped 1.1% to 4,423.94 during midday trading.
The Dow Jones Industrial Average decreased 1% to 34,581.03.
The Nasdaq was down 1.7% to 13,891.23.
The yield on a 10-year Treasury bond slipped 3% to 1.9840%.
The price of gold increased 1.4% to $1,898.10 an ounce.
The price of oil decreased 2.1% to $91.68 a barrel.
Irvine-based medical technology company Masimo Corp. (Nasdaq: MASI) jumped 11% to $159.92 per share and a market cap of $8.6 billion. Masimo’s stock fell 35% on Wednesday after the company announced the $1 billion acquisition of consumer electronics company Sound United; Piper Sandler analyst Jason Bednar downgraded Masimo from Overweight to Neutral and lowered the price target from $330 to $200.
Irvine-based WM Technology Inc. dipped 7% to $5.02 per share and a $330 million market cap. Shares in the parent company to Weedmaps traded at a volume of 325,565, compared to its average volume of 974,208. The company announced it will release fourth quarter results on Feb. 23.