Changing fortunes

It was an up-and-down week for Russia's oligarchs. A good one for Roman Abramovich (worth $5.7 billion, according to Forbes), who bought himself the ultimate bauble, a sports team: London's Chelsea Football Club.

Not so good for Mikhail Khodorkovsky ($8 billion) of the giant Yukos group, who was questioned by state prosecutors investigating corruption. And downright terrible for Platon Lebedev ($1 billion), head of Khodorkovsky's finance arm Menatep, who was arrested on fraud charges in connection with the privatization of a fertilizer plant in 1994. Khodorkovsky, Russia's richest man, was questioned in connection with the...