China Lets Yuan Fall 3rd Straight Day, But Intervenes on the Sly

``The central bank asked state-owned lenders to sell dollars on its behalf in the last 15 minutes of U.S trading on Wednesday, causing the yuan to rally 1 percent against the greenback after falling to fresh four-year lows in intraday trade, the Wall Street Journal reported. The central bank has yet to confirm the action, but it is broadly being treated as fact by market insiders.''