Diamond Foods (NASDAQ:DMND.DL) hit a two-year high after second-quarter profits came in higher than expected, with the company also maintaining its full-year guidance. Last Friday, Coupons.com (NYSE: COUP) rose 88% on its first day of trading, with shares only pulling back slightly since then. Fannie Mae (OTC:FNMA) and Freddie Mac (OTC:FMCC) fell again today after the U.S. Senate Banking Committee announced plans to overhaul the mortgage market. And shares of apparel retailer Express (NYSE:EXPR) dropped after the company missed on fourth-quarter profits. Traffic to the company's stores was down, and the company also lowered guidance.

In this segment from Wednesday's Investor Beat, host Chris Hill and Motley Fool analysts Bryan White and Jason Moser look at five stocks making big moves on the market today.

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