This Week in Barron's, July 30, 2012

This week in Barron's: With a new law primed to help bring antibiotics to market faster, a couple of niche pharmaceutical outfits could profit healthily; The unpredictable weather has created volatility for natural gas as we had a cool winter and now experiencing a hot summer; Weather is key to farming and this year the lack of rain has impacted crops like corn and soybeans, and this in turn will affect agricultural ETF's; Caterpillar's had a good earnings report but some are worried due to the global economic slowdown;

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Highlights of top articles in the current edition of Barron's magazine.