U.S. futures fall as Greek crisis worsens

* The European Central Bank froze funding to Greek banks, forcing Athens to shut banks to keep them from collapsing. * European Commission President Jean-Claude Juncker said he expects euro zone to remain at 19 members. * The blue-chip Euro STOXX 50 index was set for its worst one-day percentage loss since late 2011.

U.S. futures fall as Greek crisis worsens source: http://finance.yahoo.com/news/u-futures-fall-greek-crisis-111125939.html