NYSE suffers first loss of a senior executive since the collapse of planned Deutsche Börse merger as veteran of 13 years Mark Schaedel resigns Read the original here: NYSE Euronext loses head of market data

In an open letter to Facebook founder Mark Zuckerberg, Joe Saluzzi of Themis Trading suggests the stock may become a chip in a giant casino Read more here: Look before you leap, Mr Zuckerberg

Chairman says full board of directors is ‘fully supportive’ of chief executive despite the failure of attempted tie-up with Deutsche Börse Read the original: NYSE board stands by Niederauer

Decision overcame last-ditch resistance from a handful of fellow commissioners, underlining the clout and resolve of competition watchdog Go here to read the rest: Europe thwarts DB-NYSE deal

Nicolas Sarkozy says by taking the lead, France will provide a ‘shock’ to push other European nations into signing up to a full-blown tax covering the gamut of financial transactions Read more here: France pulls punch on financial tax

Deutsche Börse and NYSE Euronext call on Europe’s top competition regulator to clarify ‘wholly misconceived’ justification for blocking tie-up plan See the original post: D Börse and NYSE challenge block to merger

The exchange will begin allowing banks to combine the margin used to clear trades in single-name and indices of credit default swaps See the original post: ICE to combine margins for CDS clearing

Placing of funds at Italian banks by the London Stock Exchange helps its total income rise 17 per cent in third quarter View original here: LSE makes a virtue of Italian banks’ needs

Confidence in US derivatives trading has been battered by last year’s failure of a big broker, which showed customers could lose money kept in special accounts, writes Hal Weitzman and Gregory Meyer Read more: MF Global: Uncertain futures

DB-NYSE is probably doomed but this latest twist shows there are ramifications that go far beyond the deal itself More: Quick View: Last-minute lifeline or false hope?