Market share puts platform on par with biggest US debt dealers

Rule changes open up ways for consumers to bypass banking sector

Bayer-Monsanto deal; EDF, Barclays, Ford and Bridgewater also in the news

Unprecedented transparency of transactions sits uneasily with financiers

Policymakers take a liberal view to encourage innovation

A rogue trader view of the City of London as a modern day amphitheatre to pit your wits

Mobile operators face revenue hit from 90-day free roaming

Experiments with timestamping are yet to provide enough accuracy

Trading Room

Dominic Stevens, new chief executive, prepares for radical upgrade of the bourse’s technology

The Brexit vote is set to cause another revolution and might reinvent the City itself

Challenger stumbles in attempt to reshape the way the $13tn US government bond market functions

Algorithm underlines push for computerised trading in $8.4tn US fixed-income market

Hedge fund uses alleged cyber flaws to put pressure on St Jude Medical

Cost savings and low returns drive lenders into working with system underpinning bitcoin

Watchdog weighs approval for a small number of companies using process behind bitcoin

Can tech-savvy amateurs beat the market — and the hedge funds?

Resurgence of human activity in negotiating transactions has been spurred by retreat of banks

UK exchange to bring in new service for asset managers ahead of rules limiting off-exchange trading

Latest sign that banks are trying to beef up capabilities in electronic trading

New chief Francis Troise says clients are looking past last year’s $20m settlement with SEC

High frequency market maker attracted by Swedish broker’s Nordic client base

While more trading is being carried out electronically, humans still have a role to play

Trading Room

Review says tighter monitoring of banks’ internal trading platforms is needed