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The S&P 500 climbed 0.4% to 4,731.65 in midday trading.
The Dow Jones Industrial Average increased 0.2% to 36,307.19.
The Nasdaq rose 0.4% to 15,212.62.
The yield on a 10-year Treasury bond fell 1.375% to 1.722%.
The price of gold rose 0.5% to $1,827.
A barrel of crude oil was up 2.1% to $82.94.

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Sonendo Inc. (NYSE: SONX) jumped 12% to $7.55 and a $198 million market cap. Shares have now risen 35% since Jan. 10 when the company announced preliminary fourth-quarter revenue ranging from $9.7 million to $9.9 million. The Laguna Hills-based maker of dental technologies went public in October at $12 a share.

Glaukos Corp. (NYSE: GKOS) fell 4.2% to $51.11 and a $2.4 billion market cap. The San Clemente-based provider of glaucoma therapies yesterday released the results of Phase 2b study that says one of its new technologies “continued to provide sustained substantial reductions in intraocular pressure.”