GOOD DAY FOR: Hedging bets, as hedge fund manager John Paulson earned $3.7 billion last year by betting on last year’s subprime mortgage collapse. Paulson topped the list of best-paid hedge fund managers compiled by Institutional Investor’s Alpha Magazine. George Soros came in at No. 2, with $2.9 billion, and James Simons was next, earning $2.8 billion. (Bloomberg)

BAD DAY FOR: Plastics, after a draft government report found that bisphenol A (BPA), a potentially harmful chemical common in consumer plastic products, was found in 93 percent of people 6 and older. In rodent studies, BPA reduced infant survival, birth weight, and growth, and delayed the onset of puberty. An earlier study found that BPA leached from several popular baby bottles when heated. (MarketWatch)