The public web sites of some US securities exchanges experienced outages after cyber-attacks, but trading systems were unaffected View post: US exchange websites attacked

The futures market warned that the new regulation could impede the primary dealer system used by the US Treasury to sell government debt See more here: CME warns of Volcker rule impact on Treasuries

EU ruling means that some OTC derivatives trading will be processed through clearing houses, heralding expansion for the London-based company Original post: LCH.Clearnet to gain from market reforms

Investors in the Osaka Securities Exchange are challenging management to push for better merger terms from the Tokyo Stock Exchange More: Opposition to Japanese bourses tie-up mounts

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