On July 26th, the SEC instituted proceedings to determine whether to approve or disapprove proposed rule changes submitted by New York Stock Exchange and NYSE MKT. The proposal would amend NYSE Rule 104 and NYSE MKT Rule 104 to codify certain traditional trading Floor functions that may be performed by Designated Market Makers, to make exchange systems available to DMMs that would provide DMMs with certain market information, to amend the exchanges' rules governing the ability of DMMs to provide market information to Floor brokers, and to make conforming amendments to other rules. Comments should be submitted on or before August 22, 2013. Rebuttal comments should be submitted by September 5, 2013. SEC Release No. 34-70047.