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The S&P 500 was up 0.2% to 4.656.50 during midday trading.

The Dow Jones Industrial Average slumped 0.3% to 35,986.38.

The Nasdaq rose 0.8% to 15,744.92.

The yield on a 10-year Treasury bond was unchanged at 1.560%.

Crude oil decreased 0.5% to $80.93 a barrel.

Gold climbed 0.9% to $1,864.80.

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ELECTRIC VEHICLES

Shares of Irvine-based Rivian Automotive Inc. (Nasdaq: RIVN), which went public Wednesday, surged 23% to $123.40 per share for a $121 billion market cap. The electric vehicle maker was valued at $93 billion, surpassing both Ford and General Motors, in the largest IPO since 2014.

TECHNOLOGY

Aliso Viejo's indie Semiconductor Inc. (Nasaq: INDI) jumped 10% to $13.78 per share for a $1.9 billion market cap. The auto-focused tech firm yesterday reported third-quarter sales rose 60%, exceeding analysts’ expectations. Its shares have risen nearly 20% in the last month.