Stockpickr Lists: Viasys Shares Soar on Buyout

Editor's Note: In this feature from Stockpickr, we highlight lists of stocks that have made new highs, lows or seen other unusual activity.

52-Week Highs: Viasys Healthcare(VAS), the medical device manufacturer, rose 37% to $43.18 and a 52-week high Monday, after Cardinal Health(CAH) said it will purchase the company in a deal worth $1.5 billion.

The company was also second on the list of Biggest % Gainers, following Critical Therapeutics(CRTX). The biopharmaceutical company jumped 61% after the Food and Drug Administration approved Perforomist, a treatment for emphysema and chronic bronchitis.

Rising on Unusual Volume: Synalloy(SYNL) shares were up 6.5% on more than four times normal trading, on no major news.

Biggest % Losers: Source Interlink(SORC) sank to a 52-week low of $5.79 after agreeing to buy Primedia's(PRM) portfolio of enthusiast magazines for $1.2 billion in cash.

52-Week Lows: Whole Foods Market(WFMI) dipped to $39.35, a 52-week low, after Jim Cramer called it "overvalued" on CNBC's "Stop Trading" segment. Cramer said Whole Foods had "lost the benefit of the doubt," given its huge price-to-earnings multiples.

Latest Activist Situations: Daniel Loeb's Third Point disclosed an 8.7% stake in Candela(CLZR), which makes laser- and light-based medical devices. The hedge fund did not hold a position in the company at the end of last year.

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