1. Self-Regulatory Organizations; Chicago Stock Exchange, Inc.; Notice of Filing and Immediate Effectiveness of Proposed
NOTICES: Chicago Stock Exchange, Inc.,
November 14, 2007.
Pursuant to section 19(b)(1) of the Securities Exchange Act of 1934 (the ``Act''), \1\ and Rule 19b4 thereunder, \2\ notice is hereby given that on October 17, 2007, the Chicago Stock Exchange, Inc. (``CHX'' or ``Exchange'') filed with the Securities and Exchange Commission (``Commission'') the proposed rule change as