A risky revival

Stock markets: As traders celebrate big price rallies, sceptics argue that the upturn may be unsustainable – an incipient bubble basedon cheap credit backed by government money
Taiwan Stock Exchange Corp has launched an investigation into apparent irregularities in the trading of shares in Chi Mei Optoelectronics before its merger with local rival Innolux Display
Singapore exchange to launch own platform
Blow to ambition to expand beyond trading
Regulatory uncertainty hits futures exchange
ELX urges regulators to reject NYSE venture

Stock markets: As traders celebrate big price rallies, sceptics argue that the upturn may be unsustainable – an incipient bubble basedon cheap credit backed by government money
We appreciate the SEC’s leadership role but its ability to act quickly is limited. As an exchange, we can move on our own, writes Bob Greifeld
Stock markets: As the SEC moves towards curbs on a lucrative part of high-frequency computerised trading, some maintain that its concern is misplaced
BM&FBovespa has completed a move to electronic trading in an attempt to challenge some of the world’s biggest exchanges for leadership in the sector
The company’s latest deal banishes any pretence that the LSE is not in a technological arms race
The bar must be high for any ban on flash trading or crackdown on ‘dark pools’. Stronger reasons are needed to limit a right to private contract than that third parties do not get the same deal
Dame Clara Furse’s departure as chief executive of the London Stock Exchange is an invitation to City palaeontologists to place her in the timeline of the LSE’s development from user-owned club run by dinosaurs to fast-moving international marketplace with opposable thumbs
Plus announced last September it would be taking the LSE to court over a rule that it claimed prevented trading in Aim securities on other markets. The group,was attacking the rule as ‘unnecessary and disproportionate, representing an abuse of the LSE’s dominant market position’