US STOCKS-Wall St set for lower open on Greece, fiscal cliff
* Euro zone to seek Greek aid deal without write-off
* Qatar cashes in Barclays warrants, shares dip
* Knight Capital in talks for unit sale; shares jump in premarket trade
* Futures lower: S&P 4.9 pts, Dow 52 pts, Nasdaq 4.25 pts
By Angela Moon
NEW YORK, Nov 26 (Reuters) - Wall Street was set for a lower open on Monday as investor returned to the market after a holiday-shortened trading week, focused on the meeting of euro zone finance ministers on Greece and negotiations over the U.S. "fiscal cliff."
Euro zone finance ministers and the International Monetary Fund will seek to unfreeze the second bailout package for Greece on Monday, but they first need to agree if some of the official loans to Athens might eventually be forgiven to cut Greek debt.
U.S. lawmakers have made little progress in the past 10 days toward a compromise to avoid the harsh tax increases and government spending cuts scheduled to start taking effect on Jan. 1, a senior Democratic senator said on Sunday.
"On the most pressing issue for the markets into year end, that of the tax and spending issues in the U.S., the Sunday morning talk shows didn't reveal that we're on the cusp of a deal as more horse trading will go on in the weeks to come," said Peter Boocvkar, managing director at Miller Tabak & Co in New York. Continued...