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The S&P 500 was down 0.1% in midday trading to 2,168.35.

The Dow Jones Industrial Average was down 0.1% to 18,393.14.

The NASDAQ was up 0.2% to 5,223.58.

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The yield on a 10-year Treasury bond was down 0.5% to 1.56%.

The price of gold was up 0.5% to $1,317.


Newport Beach-based Clean Energy Fuels Corp. was up 5.3% to $4.60 and a $603 million market cap. The natural gas fueling station operator won a contract to supply about 600 transit vehicles in Washington, D.C. with 6 million ‘gasoline gallon equivalents’ of compressed natural gas.

Irvine-based Netlist Inc. was down 8.3% to $1.89 and a $97 million market cap. The memory products maker filed a patent infringement lawsuit against Korea-based SK Hynix.


Newport Beach-based Acacia Research Corp. was up 10.6% to $6.63 and a $333 million market cap on high volume. The patent licensing company by midday had traded shares at a rate three times its 90-day average.

Santa Ana-based Collectors Universe Inc. was down 3.5% to $18.48 and a $164 million market cap. The collectibles grader and authenticator said fourth quarter and full year revenue and income from continuing operations were flat.