The S&P 500 was down 0.2% in midday trading to 2,727.94.
The Dow Jones Industrial Average fell 0.6% to 25,075.16.
The Nasdaq climbed 0.5% to 7,278.48.
The yield on a 10-year Treasury bond increased 1% to 2.91%.
The price of gold fell 1.8% to $1,332.
Irvine’s Cryoport Inc. (Nasdaq: CYRX) declined 4.7% to $8.19 and a $209 million market cap on light trading. The life sciences shipping and packaging firm said today that it will report fourth-quarter results on March 6.
Collectors Universe Inc. (Nasdaq: CLCT) in Santa Ana rose 3.9% to $16.19 and a $146 million market cap. The company grades and authenticates collectibles, such as coins, autographs and sports memorabilia. Shares are still down about 39% since Feb. 7, when it reported second-quarter revenue declined 21% to $14.1 million and it slashed its quarterly dividend in half.