U.S. futures track global markets as Greek talks stall

* U.S. stocks closed lower on Friday as Greek debt talks stalled and as concern over how soon the U.S. Federal Reserve might raise interest rates kept investors cautious. * Talks between Greece and its creditors broke up after less than an hour, raising prospects of Athens being unable to repay $1.8 billion dollars owed to the International Monetary Fund by the end of this month. * In the United States, upbeat consumer sentiment and other data added to views the economy may be regaining momentum, which increased anxiety over the timing of a rate raise ahead of this week's Federal Open Market Committee meeting, the central bank's last meeting before September.

U.S. futures track global markets as Greek talks stall source: http://finance.yahoo.com/news/u-futures-track-global-markets-113003030.html