The S&P 500 was up 0.3% midday trading to 2,792.
The Dow Jones Industrial Average rose 0.5% to 24,900.90.
The Nasdaq declined 0.1% to 7,756.25.
The yield on a 10-year Treasury bond climbed 0.5% to 2.87%.
The price of gold was 0.4% lower at $1,255.
Glaukos Corp. (NYSE: GKOS) in San Clemente was down 5.1% to $40.61 and a $1.42 billion market cap. Today BMO Capital downgraded shares to market perform. Shares are still up 66% since a 52-week low in November.
Kush Bottles Inc. (OTC: KSHB), increased 5.3% to $5.20 and a $384 million market cap. Shares of the Santa Ana supplier of cannabis paraphernalia have climbed 15% thus far in July.