greece starts to undermine the euro

Funds flee Greece as Germany warns of "fatal" eurozone crisis
Germany has triggered a near-panic flight from southern European debt markets by warning that there will be no EU bail-outs, even though it fears the region's economic crisis has turned dangerous and could prove "fatal" for the entire eurozone.

http://www.telegraph.co.uk/finance/comment/ambroseevans_pritchard/7095818/Funds-flee-Greece-as-Germany-warns-of-fatal-eurozone-crisis.html

Japan and Euro economies are weakening faster than the US, this will strengthen the dollar and start the global domino that will start GFC2