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The S&P 500 was up 0.5% in midday trading to 2,072.91.

The Dow Jones Industrial Average was up 0.6% to 17,716.28.

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The Nasdaq was up 0.3% to 5,003.73.

The yield on a 10-year Treasury bond was up 3.7% to 2.42%.

The price of gold was down 0.2% to $1,170.


Del Taco Restaurants Inc. was up 3% to $15.68 and a $280 million market cap. The Mexican-themed fast food chain was formed yesterday when Levy Acquisition Corp. in Chicago closed its acquisition of Del Taco Holdings Inc. in Lake Forest.


Lake Forest-based Quantum Fuel Systems Technologies Worldwide Inc. was down 4% to $2.12 and a $59 million market cap. The natural gas storage tanks maker closed yesterday on a $2 million private placement of 2% secured convertible debt.