Editor's Note: Today, we introduce a new feature from Stockpickr, where we will highlight lists of stocks that have made new highs, lows and seen other unusual activity.

Reports that Microsoft ( MSFT) was in talks with Yahoo! ( YHOO) about a possible $50 billion merger catapulted the Internet giant's shares nearly 10% Friday. It also placed Yahoo! near the top of Stockpickr's stocks Rising on Unusual Volume .

Walt Disney ( DIS) topped Stocks with Unusual Option Activity . The Mouse House is set to report earnings Tuesday.

Shares of 21st Century Holding ( TCHC) plunged 45% Friday after it slashed its full-year outlook. That gave it the lead position on the list of 52-Week Lows and Biggest Percentage Losers .

Reuters ( RTRSY), meanwhile, acknowledged it had been approached about a possible buyout, landing the financial news company atop the list of 52-Week Highs and second to Mobility Electronics ( MOBE) on the Biggest Percentage Gainers list.

Finally, Factory Card & Party Outlet ( FCPO) topped the list of Latest Activist Situations , after Midwood Capital, a 7.8% shareholder, suggested late Thursday that the company's board of directors would benefit from increased shareholder representation.

Forum of the Day

Crocs ( CROX) are ugly, but the company had an impressive quarter, said youngmoney .

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