This Week's Barron's Roundup

Editor's note: Welcome to Stockpickr's "Barron's Roundup." Each weekend, James Altucher presents Stockpickr portfolios related to articles in the latest issue of Barron's.

Barron's Insider Purchases: This week's insider purchases. We provide a little more color by detailing who it is that's doing the buying. This week's portfolio of 15 companies with insider purchases includes Sun Microsystems(SUNW Quote).

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Barron's Research Reports: Every week Barron's publishes research reports on various small-cap and mid-cap companies. We provide a portfolio of those stocks with synopses of the reports. This week's list includes reports on Portfolio Recovery Associates(PRAA Quote) and Flextronics(FLEX Quote).

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Bullish and Bearish: The stocks profiled in individual stories in this week's Barron's. Among the stocks featured, Barron's was bullish on Limited Brands(LTD Quote).

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Barron's Activist Situations: Each week Barron's picks out the most interesting situations in which activist investors are clamoring for change. This week's list includes some possible activity on Reuters Group(RTRSY Quote) and some definite rattling at Building Materials(BLG Quote).

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Speaking of Dividends: Which companies this week are boosting their dividends? This week's article includes an interesting one-time payment from Books-A-Million(BAMM Quote).

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Barron's Mispriced Growth: Michael Santoli identifies the companies for which the market is not giving enough credit for their growth. He believes these names are cheap and ready to pop.