Successful or not, Beijing's policy measures to stabilise its share market will be felt worldwide in various ways, contrary to US official's belief US Treasury Secretary Jack Lew's conclusion that China's markets will not cause turbulence elsewhere is untenable. Photo: Reuters "China's markets are still pretty much separated from world markets," US Treasury Secretary Jack Lew said on July 8, arguing turbulence in Chinese financial markets was unlikely to spill over elsewhere.