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Option Block 375: How to Hedge Your 401K
\\nTrading Block: Alibaba options active in U.S. trading debut. OCC and U.S. options exchanges announce new risk control standards to strengthen industry protections.
\\nISE Holdings files for third exchange license to launch ISE Mercury.
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\\nOdd Block: Fun and unusual trading activity in TTPH, MX, and TAP.
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\\nStrategy Block: Uncle Mike discusses how to hedge a 401k or other retirement accounts?
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\\nAround the Block: Hong Kong: how much can it impact the market?
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