If you want to submit a story for the risk-blog Editors to peer at it, and perhaps post it for all to share and enjoy, email it to "blog at approximity.com". Subscribe to email updates.
Comments by Treasury Secretary John Snow and worse-than-expected consumer sentiment data weighed on the currency. Also denting investor confidence were reports on the US trade and budget deficits, which showed them widening.
The dollar slid to $1.23 to the euro, before rebounding slightly. It also dropped against the pound and yen. article
Like the Oppenheimers, Mr Leviev has made himself very rich over the past three decades. An Israeli of Uzbek descent, he is reputedly worth around $2 billion. Though he has interests in transport and property, his real love is diamonds. His Lev Leviev Group is the world's largest cutter and polisher of them. He has mining interests too: his fleet of clanking mining ships began operating off Namibia's coast earlier this year, sucking up diamonds from the sea bed. He boasts it is the world's second-largest fleet; only De Beers has a bigger one.
And Mr Leviev recently moved into diamond retailing. He claims that he is the only tycoon with interests in every stage of production from mine to mistress (a canard in the industry holds that men buy more diamonds for their mistresses than for their wives). But his real power lies in the cutting and polishing businesses.