Major U.S. indexes rose in Monday midday trading, led by the Nasdaq’s 1.3% jump to 13,651.22.

The S&P 500 rose 1% to 4,199.03, while the Dow Jones Industrial Average was up 0.6% to 34,406.95.

Crude oil surged 3% to $65.52.

Gold increased 0.4% to $1,883.80.

The yield on a 10-year Treasury fell 1.5% to 1.608%.


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Irvine-based Kura Sushi USA Inc. (Nasdaq: KRUS) rose 4.9% to $41.66 and a $351 million market cap. Shares in the revolving sushi bar are being traded at less than half their average daily volume, and are up more than 15% in the past week.


Healthcare firms were trending up in Monday midday trading, led by Inari Medical Inc. (Nasdaq: NARI), which rose 2.3% to $87.75 and a $4.3 billion market cap. The Irvine-based blood clot removal device maker is up about 28% in the past six months.

Lake Forest-based implantable lens maker STAAR Surgical Company (Nasdaq: STAA) increased 2% to $129.90 for a market cap of $6.1 billion.