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The S&P 500 was flat at 4,690.87 in midday trading.
The Dow Jones Industrial Average fell 0.2% to 35,760.59.
The Nasdaq increased 0.1% to 15,796.72.
The yield on a 10-year Treasury bond fell 1% to 1.65%.
The price of gold increased 0.1% to $1,785.30.
The price for a barrel of oil fell 0.2% to $78.38.

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MEDICAL DEVICES
San Clemente’s Glaukos Corp. (NYSE: GKOS) climbed 4.3% to $48.69 and a $2.3 billion dollar market cap. Shares of the maker of glaucoma therapies are still down 15% since Nov. 4 when it reported third quarter results.

ELECTRIC VEHICLES
Irvine’s Rivian Automotive Inc. (Nasdaq: RIVN) fell 4.7% to $114.17 and a $101 billion market cap. Shares of the electric truck maker are still up from its IPO at $78 a share on Nov. 10.