[ by Melanie Gretchen ] The SEC will hold an open meeting on Wednesday, 4/18/12, on whether it will collaborate with the CFTC.  This week, the Commission will consider adopting joint rules with the CFTC relating to the definition of "Swap Dealer," "Security-Based Swap Dealer," "Major Swap Participant," "Major Security-Based Swap Participant," and "Eligible Contract Participant." The meeting will take place at the SEC's Washington, D.C.'s headquarters, at 100 F Street, NE, Room L-002 (Auditorium).  For further information, contact The Office of the Secretary at (202) 551-5400, Elizabeth M. Murphy. [SEC, 4/16/12]