 Sunrun NASDAQ: RUN. 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. At 12:15 p.m. EDT, shares of IAA are continuing to climb -- up 13.7 -- and Carpenter is at least holding onto the majority of its early gains up 7.4. 