Stockpickr Lists: RIMM Wins Big

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

Biggest % Gainers: Research In Motion(RIMM) soared 21% Friday, after the company reported first-quarter earnings that shattered Wall Street's expectations. The BlackBerry maker announced its quarterly profit grew 73% and boosted its second-quarter guidance. Shares closed up $34.40 to $199.99.

52-Week Highs: Shares of Research In Motion also hit a 52-week high Friday.

Rising on Unusual Volume: Research In Motion was trading at unusually heavy volume, at 420% above its three-month average.

Biggest % Losers: MMC Energy(MMCE) sunk 19% Friday, after the company announced a public offering of 9.1 million shares at $5.50 apiece, a 19% discount to Thursday's close. The New York-based firm was down $1.31 to $5.49.

52-Week Lows: American Home Mortgage Investment(AHM) fell 13% to a 52-week low, after the company said "substantial charges for credit-related expenses" will cause a second-quarter loss. The mortgage investment company also withdrew its prior 2007 earnings outlook of $3.25 to $3.75. Shares tumbled $2.53 to $18.38.

Latest Activist Situations: Mercury Real Estate Advisors disclosed a 9.4% stake in Sonesta International Hotels(SNSTA). The firm also disclosed a letter to Sonesta, applauding the company's move to hire Goldman Sachs to explore strategic options. Shares closed up Friday $1.06, or 3.5%, to $31.50.

Forum of the Day

youngmoney asks, How bullish are you on oil in the short term?

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Do you think Sears(SHLD) is the next Berkshire Hathaway(BRKA)? asks loschi.

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