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The S&P 500 was up 0.5% to 4,533.85 during midday trading.
The Dow Jones Industrial Average rose 0.1% to 35,472.64.
The Nasdaq increased 0.9% to 15,268.39.
The yield on a 10-year Treasury bond fell 1.8% to 1.289%.
The price of gold decreased 0.4% to $1,812.90.
The price for a barrel of oil climbed 0.4% higher to $69.02.

HEALTHCARE
OC healthcare firms saw gains in Monday midday trading, led by STAAR Surgical Co. (Nasdaq: STAA), which rose 3.9% to $148.96 and a $7.1 billion market cap. Shares in the Lake Forest-based medical device maker are up more than 80% since the start of the year.

Irvine-based Tarsus Pharmaceuticals Inc. (Nasdaq: TARS) increased 2.6% to $26.14 and a $536 million market cap. Shares in the maker of ophthalmic drugs are up nearly 18% in the past month.

San Clemente’s Glaukos Corp. (NYSE: GKOS) was up 1.6% to $57.72 and a $2.7 billion market cap. Shares in the company have jumped 15% over the past week, but are still down 18% since the start of the year.