The S&P 500 was down 0.4% at 2,866.67 during midday trading.
The Dow Jones Industrial Average fell 0.5% to 25,777.83.
The Nasdaq also decreased 0.5% to 7,816.72.
The yield on a 10-year Treasury bond plunged 4.6% to 1.4740%.
The price of gold increased 1% to $1,553.
The price for a barrel of oil rose 0.4% to $53.87
Chipotle Mexican Grill Inc. (NYSE: CMG) of Newport Beach rose 1.9% to $842.10 per share for a market cap of $23.3 billion after analysts at SunTrust raised their price target for the fast casual chain to $900 apiece and kept their buy rating on the stock.
Axonics Modulation Technologies Inc. (Nasdaq: AXNX) fell 3.5% to $33.10 a share for a market cap of $943 million. Website Merakhaber News said a technical analysis of shares of the Irvine-based maker of medical devices to treat bladder and incontinence maladies puts their value right in the middle of the "sell" range.