The S&P 500 was up 0.7% in midday trading to 2,793.69.
The Dow Jones Industrial Average rose 0.8% to 24,890.75.
The Nasdaq was 1.1% better at 7,801.36.
The yield on a 10-year Treasury bond climbed 0.4% to 2.85%.
The price of gold was 0.2% higher to $1,247.
Glaukos Corp. (NYSE: GKOS) was up 5% to $43.38 and a $1.5 billion market cap. Shares in the San Clemente-based device maker are up 8% in the two weeks since it received FDA approval for its next-gen stent product for glaucoma treatment.
ReShape Lifesciences Inc. (Nasdaq: RSLS) in San Clemente was down 9% to $1.50 and a $5 million market cap. It’s selling 1.24 million shares directly to institutional investors for $2.05 apiece in an at-the-market offering. The buyers also get unregistered warrants for 1.24 million additional shares with an exercise price of $2.06. The move gets the anti-obesity and metabolic disease device maker about $2.7 million in gross proceeds.
Broadcom Inc. (Nasdaq: AVGO) was down 15% to $207 and an $89 billion market cap. The chipmaker, which has sizable operations in Irvine, said it will buy enterprise computing company CA Inc. (Nasdaq: CA) for $19 billion. CA was up 18% to an $18.5 billion market cap.