Subject: File No. S7-20-08
From: Mark Cwetna
Affiliation: Investor

September 9, 2008

Please ban naked short-selling. This is totally unfair to making a fair and level playing field. Here is a company tauting the short-selling of securities:

http://www.tradingmarkets.com/.site/news/Stock News/1870710/

All trades must be settled and accounted for in our free-market trading system.

Thank you