Option Block 375: How to Hedge Your 401K

Trading Block: Alibaba options active in U.S. trading debut. OCC and U.S. options exchanges announce new risk control standards to strengthen industry protections.

ISE Holdings files for third exchange license to launch ISE Mercury.

Odd Block: Fun and unusual trading activity in TTPH, MX, and TAP.

Strategy Block: Uncle Mike discusses how to hedge a 401k or other retirement accounts?

Around the Block: Hong Kong: how much can it impact the market?