Stock and commodity market transaction entered into in good faith are speculative contracts and not illegal as wagers.

股票和商品市场交易进入以诚信是不违法的投机合同以及作为工资。

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Until more facts are known and some of the legal uncertainties are resolved, potential investors should recognize that buying Goldman shares is a lot like the derivative transaction at the heart of the SEC case: It's a speculative bet.

WSJ: COMMON SENSE: Buffett May Know More About Derivatives Than Securities Law