by Associated Press Standard & Poor's downgrades Greece credit rating amid concerns over country's cash buffers Associated Press - 6 February 2015 12:52-05:00 ATHENS, Greece (AP) — Standard & Poor's downgrades Greece credit rating amid concerns over country's cash buffers. News Topics: Business, General news People, Places and Companies: Greece, Western Europe, Europe Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.