Take a look at some of Thursday's midday movers:
New York Times tumbled, seeing its largest one-day percentage drop since April 2009, after the newspaper company posted disappointing earnings on weak ad sales.
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Angie's List surged after the consumer review website posted earnings that topped expectations. In the company's 8-K filing, the company's CEO added "we are having a very good year."
Microsoft was little changed on relatively light volume after the software giant officially unveiled its Windows 8 operating system.
Best Buy tumbled after the electronics retailer announced an earnings warning and a leadership shake-up. S&P Capital IQ cut its rating on the stock to "sell" from "hold".
(Read More: CNBC's Market Insider Blog)
—By CNBC's Lori Spechler.
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