Actually, as expected, it's a non-deal. Nothing has changed. The "weapons of mass economic destruction," as Warren Buffet calls them, are still unregulated in Europe as here in the US. In other words, the banks which conspired to bring down the economy in 'o8 can do it again now and in precisely the same manner.
http://www.monstersandcritics.com/news/business/news/article_1639703.php/EU-finance-ministers-strike-deal-on-naked-short-selling-regulation