The S&P 500 was up 0.39% to 1,630.63 in early afternoon trading Wednesday.
The Dow Jones industrial average was up 0.11% to 15,072.38, while the Nasdaq was up 0.41% to 3,410.46.
The yield on a 10-year Treasury bond was down 1.46% to 1.76%.
The price of gold was up 1.25% to $1,467.10 per ounce.
Shares of San Clemente-based medical device maker ICU Medical Inc. surged by nearly 13% to 7.90 and a market value of about $1 billion on a report from Bloomberg that it is considering a sale. The report said ICU Medical has hired J.P. Morgan Chase & Co. to work on the potential sale, which is said to be priced above $1 billion. A J.P. Morgan spokesperson declined comment, and ICU did not return calls.