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

Buffett-esque Stock Plays

: This

Barron's

article highlights two dozen companies that fit Warren Buffett's investment criteria. Among the stocks mentioned are

Varian Medical Systems

(VAR) - Get Report

,

Bucyrus International

( BUCY),

PetMed Express

(PETS) - Get Report

and

Buckle

(BKE) - Get Report

.

Hedge Fund Bears

:

Barron's

talks with Kevin Duffy and Bill Laggner, principals of the Dallas-based hedge fund

Bearing Asset Management

. Bearing has around $60 million under management, and it holds a very against-the-grain view on what's ahead for the U.S. stock market. Among the stocks in the funds portfolio are

Goldman Sachs Group

(GS) - Get Report

,

Wal-Mart Stores

(WMT) - Get Report

and the

Gabelli Healthcare & Wellness Trust

(GRX) - Get Report

.

Bullish and Bearish

: Each week,

Barron's

publishes bullish and bearish stories on a variety of stocks. We present summaries of those stories in this portfolio. This week, there are bullish stories on

IBM

(IBM) - Get Report

and

3PAR

(PAR) - Get Report

, plus a bearish piece on

Apple

(AAPL) - Get Report

.

Top Insider Purchases of the Week

: Insider purchases are a lot more predictive than insider selling.

Barron's

lists companies where managers are buying stock, and we build a portfolio with those companies' stocks. There has been interesting activity in

SAIC

(SAI)

,

Internet Capital Group

(ICGE)

,

Petrohawk Energy

(HK)

and

Chelsea Therapeutics International

(CHTP)

.

Research Reports

: The latest analyst research highlighted by

Barron's

, including reports this week on

Dick's Sporting Goods

(DKS) - Get Report

,

TD Ameritrade Holdings

(AMTD) - Get Report

and

Wisconsin Energy

(WEC) - Get Report

.

Latest Activist Purchases

: Which companies are the top hedge funds chasing? This week's list includes names like

Take-Two Interactive Software

(TTWO) - Get Report

,

Red Robin Gourmet Burgers

(RRGB) - Get Report

and

Marlin Business Services

(MRLN) - Get Report

.

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