The S&P 500 was flat in midday trading at 2,497.66.
The Dow Jones Industrial Average rose 0.1% to 22,317.23.
The NASDAQ increased 2% to 6,380.37.
The yield on a 10-year Treasury bond was up 1% to 2.24%.
The price of gold was down 1.1% to $1,297.
Irvine-based Sabra Health Care (Nasdaq: SBRA) fell 6.1% to $20.98 and a $3.35 billion market cap. It announced an offering of 16 million shares at $21 each yesterday. Sabra intends to use $321.8 million raised to repay borrowings under its revolving credit facility.
Irvine-based ShiftPixy Inc. (NASDAQ: PIXY) dropped 14% to $2.75 and a $78 million market cap. Shares of the company, which provides temporary employees for restaurants, have declined 22% in the past three trading sessions and by more than half since its June initial public offering at $6 a share.