The S&P 500 was down 0.6% to 3,777.98 during midday trading.
The Dow Jones Industrial Average fell 0.2% to 30,946.45.
The Nasdaq decreased 0.4% to 12.988.31.
The yield on a 10-year Treasury bond climbed almost 4% to 1.177 %
The price of gold decreased 0.5% to $1,184.40.
The price for a barrel of oil rose 1.3% to $52.95.
Lake Forest-based medical device maker STAAR Surgical Company (NASDAQ:STAA) rose 5.6% to $88.66 per share for a market cap of $4.1 billion. “STAAR Surgical's earnings over the next few years are expected to double, indicating a very optimistic future ahead. This should lead to stronger cash flows, feeding into a higher share value,” analyst site SimplyWallSt.com said earlier in the day.
Costa Mesa-based artificial intelligence company Veritone Inc. (Nasdaq: VERI) fell 4.6% to $34.85 per share for a market cap of $1.1 billion The stock has been retreating from the recent high of $38.45 per share set last Friday.