The S&P 500 was up 0.4% to 4,216.86 in midday trading Friday.


The Dow Jones Industrial Average rose 0.4% to 34,597.98, while the Nasdaq increased 0.5% to 13,810.16.


Crude oil was up 0.2% to $66.98.


Gold rose 0.1% to $1,900.80.

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The yield on a 10-year Treasury fell 1.3% to 1.59%.


TECHNOLOGY

Shares of Newport Beach-based Clean Energy Fuels Corp. (Nasdaq: CLNE) fell 3.5% to $7.80 for a market cap of $1.6 billion. CNBC “Mad Money” host Jim Cramer said Thursday of Clean Energy stock that “it has run out of gas because we’re not going natural gas.”


HEALTHCARE

Lake Forest implantable lens maker STAAR Surgical Co. (Nasdaq: STAA) rose 2.9% to $147.46 for a market cap of $6.9 billion. The company’s up about 81% since the start of the year.