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The S&P 500 climbed 0.5% to 4,425.92 in midday trading.

The Dow Jones Industrial Average ebbed up 0.5% to 35,130.97

The Nasdaq increased 0.3% to 14,809.63.

The yield on a 10-year Treasury bond rose 0.4% to 1.266%.

The price of gold was up 1.7% to $1,835 an ounce.

The price for a barrel of oil increased 1.3% to $73.35.


ENVIRONMENTAL SERVICES

Montrose Environmental Group (NYSE: MEG) rose 6.8% to $53.72 and a $1.4 billion market cap. The Irvine provider of water treatment, consulting and other environmental services announced last week that its subsidiary, Emerging Compounds Treatment Technologies, Inc., renewed a five-year contract with the Australian Department of Defence to operate and maintain water treatment systems at three of the country’s military bases. Shares have more than doubled since going public a year ago.

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HOME BUILDER

Irvine-based TriPointe Homes Inc. (NYSE: TPH) climbed 4% to $24.09 for a $2.6 billion market cap. The home builder received a positive review from the Zacks website, praising its revenue and earnings for growing more than 10% and even more in the coming year.


RESTAURANTS 

Irvine-based Kura Sushi USA, Inc. (Nasdaq: KRUS) increased 8.4% to $53.17 and a $515 million market cap. The conveyor belt-sushi bar restaurant chain announced it is closing its public offering of 1.3 million of its Class A common stock at a public offering price of $45.00 per share. The company received a net $54.1 million. Shares are up 36% since July 13 when it issued preliminary fiscal third-quarter results that topped analysts' expectations.


MEDICAL DEVICE MAKERS 

Masimo Corporation (Nasdaq: MASI) climbed 2.8% to $272.04 and a $15 billion market cap. The Irvine-based manufacturer of noninvasive patient monitoring instruments on July 27 reported second results that topped analysts' estimates.