There are always stocks making 52-week highs and 52-week lows, and recent trading activity has been no exception.

Highs over the past few days have included American Italian Pasta ( AIPC), Hot Topic ( HOTT), Myriad Genetics ( MYGN) and Anadys Pharmaceuticals (ANDS), and lows have included Abiomed ( ABMD), ViroPharma ( VPHM) and Advisory Board ( ABCO).

Let's take a closer look at a few of these stocks.

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