The market is about to usher in a short mechanism, when the market risk, through to short arbitrage.

市场即将迎来做空机制，当市场风险较大时，可以通过做空来套利。

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And because hedge funds are under pressure in their traditional business, which is short-term arbitrage in liquid markets, they are attracted by returns from private equity potentially at least double what they expect from their usual activities.

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Some say the hedge funds are now practicing arbitrage, playing GOOG short and AAPL long.

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The universe of hedge fund asset classes is very deep and includes convertible arbitrage, distressed mortgage, long-short equity and global macro, among many other complex strategies.

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