Well, Obama and Putin are still at it.  Veiled threats, not so veiled threat and lost of Tough Guy Posturing.  Now Putil is saying he wants Obama to provide some proof.  Or else back off. In an interview with National Public Radio on Thursday, President Obama promised that the United

18 Jan 2015 19:36 China Stocks Plunge on Margin Accounts Halt; Aussie Miners Rise Copyright 2015 Bloomberg. Nick Gentle and Adam Haigh (Bloomberg) — Mainland Chinese shares plunged after three of the nation’s biggest brokerages were stopped from adding margin-trading accounts. Australian mining shares rose after U.S. oil capped its