Execution Noble, the City brokerage firm led by executive chairman Nick Finegold, has parted company with its chief executive, while a majority investment in the firm from Banco Espirito Santo (BES), a Portuguese bank, could also be in jeopardy.

Margaret Cole, the Financial Services Authority's director of enforcement, has privately ruled herself out of the running to take over from Hector Sants, the regulator's chief executive.

While Britain’s schools and colleges offer some of the finest design education in the world, there is often a disconnection between the creative focus of classroom lessons and the ways in which learners apply this in the real world of design and business. It's why, this week, Sebastian Conran has unveiled Design Ventura, a new education initiative launched by London's Design Museum and Deutsche Bank, aimed at developing student creativity alongside enterprise skills.

Six big investment banks published trading volumes for their "dark pools" for the first time yesterday, showing them as a tiny fraction of the market and not the major hidden rivals to stock exchanges that some argue.

Tidjane Thiam, the chief executive of Prudential, has come out fighting by personally insisting he will put £1.5m of his own money into the rights issue to fund its $35.5bn (£25bn) bid for AIG's Asian business, as he seeks to gain investor support for the cash call.

The insurer AIG has dusted off plans to list its Asian business should Prudential's attempted $35.5bn bid to buy the unit fail.

Recovery trends will come under the scanner when Yell, the FTSE 250-listed directories group, issues full-year figures this week. UBS expects the results to reassure investors worried about the potential for a rebound in revenues.

Markets suffered another day of wild swings yesterday amid continued concerns over the Greek debt crisis and its effect on the euro.

The banks came under pressure yesterday, with Royal Bank of Scotland trading lower as Monday's market rally fizzled out last night.

British officials have arrested 22 people as part of a Europe-wide investigation into carousel tax fraud related to CO2 emissions-credit trading.

Profits at Deutsche Bank, based in Frankfurt, soared by half in the first quarter to €2.8bn (£2.4bn) after a record performance by its investment banking division, and stabilisation in the wider economy.

Drug-maker GlaxoSmithKline has ordered staff in Europe not to fly for at least a week following the disruption caused by the volcanic ash cloud.