Why IAA and Carpenter Technology Stocks Just Popped 10%, but Sunrun Dropped

IAA (NYSE: IAA). Carpenter Technology (NYSE: CRS). Sunrun (NASDAQ: RUN). What do an online marketplace for wrecked cars, a specialty metals fabricator, and a solar panel installer have in common? Well, all three of these stocks are making big moves on the stock market today: IAA and Carpenter are both up more than 10% in early trading, but Sunrun is down more than 10%.

And all of them are moving because of factors outside of their control.

Image source: Getty Images.

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Source Fool.com