U.S. stock index futures pointed to a lower open on Wall Street on Monday, as stocks were poised to trim last week's strong gains, with futures for the S&P 500 down 0.34 percent, Dow Jones futures down 0.21 percent and Nasdaq 100 futures down 0.33 percent at 0930 GMT.

On Sunday, Federal Reserve Chairman Ben Bernanke told the CBS program '60 Minutes' the Fed could end up buying more than the $600 billion in U.S. government bonds it has committed to purchase if the economy fails to respond or unemployment stays too high.

European stocks, however, lost ground in early trade, with the FTSEurofirst 300 <.FTEU3> index down 0.1 percent and Spain's IBEX 35 <.IBEX> falling 1 percent, as nagging worries over the euro zone debt crisis eclipsed Bernanke's comments.

Investors awaited the outcome of a meeting of euro zone finance ministers, who face pressure to boost the size of a 750 billion euro safety net for debt-swamped members in order to prevent contagion in the single currency bloc.

According to an IMF report obtained by Reuters, the head of the IMF Dominique Strauss-Kahn will call on the ministers to increase the facility and urge the European Central Bank to step up its purchases of bonds to stem the crisis.

The dollar recouped some ground lost from a renewed focus on U.S. quantitative easing, and was helped by short covering, while the euro fell back toward channel support ahead of the meeting of European finance ministers.

AOL Inc , undergoing a radical transformation into the king of content on the Internet, is actively exploring a breakup of the company involving a complicated series of transactions that may lead to a merger with Yahoo Inc , sources close to the plans said.

Pfizer Inc's
chief executive stepped down without warning, acknowledging the personal toll involved in steering the world's largest drugmaker through a multibillion dollar merger.

U.S. stocks closed their best week in a month on Friday, shrugging off tepid jobs growth in a sign that the rally may have further to run.

The Dow Jones industrial average <.DJI> rose 19.68 points, or 0.17 percent, to end at 11,382.09. The Standard & Poor's 500 Index <.SPX> added 3.18 points, or 0.26 percent, to 1,224.71. The Nasdaq Composite Index <.IXIC> gained 12.11 points, or 0.47 percent, to close at 2,591.46.

(Reporting by Blaise Robinson; Editing by Jon Loades-Carter)