The U.S. stock index futures point to a lower open Monday amid investor concerns that the stimulus measures announced this month by policymakers around the world will not be able to rejuvenate the global economic growth momentum.  

The futures on the Dow Jones Industrial Average were down 0.13 percent, the futures on the Standard & Poor's 500 index were down 0.20 percent and those on the Nasdaq 100 index were down 0.12 percent.

The euro zone concerns were revived as disagreement continued to prevail between Germany and France over the formation of a banking union as part of the measures to overcome the debt burden faced by the euro zone. While France prefers to have the structure of the banking union be prepared at the earliest, Germany is not yet willing to take bolder steps in that direction unless other economies agree to surrender some sovereignty.

Standard & Poor's Ratings Services lowered the economic growth rates for Asia Pacific citing the reasons as the slowdown in China, continuing debt troubles in the euro zone and the weaker recovery in the U.S. 

"We have lowered our base case forecasts of 2012 real GDP growth by about half a percentage point for China to 7.5 percent; Japan to 2.0 percent; Korea (Republic of) to 2.5 percent; Singapore (Republic of) to 2.1 percent; and Taiwan to 1.9 percent," said S&P credit analyst Andrew Palmer. They also revised their forecast down by about one percentage point each for Hong Kong (to 1.8 percent) and India (to 5.5 percent).

On Friday, the U.S. markets were mixed as investors continued to maintain cautious mode to find where the economy is heading following the announcement of the quantitative easing measures by the Federal Reserve.  The Dow Jones Industrial Average fell 0.13 percent, the S&P 500 Index was up 0.13 percent and the Nasdaq Composite Index declined 0.01 percent.

European markets dropped Monday amid investor worries that the debt crisis faced by the euro zone is intensifying amid disagreement that rose during talks between Germany and France. London's FTSE 100 was down 23.42 points, Germany's DAX 30 index fell 28.23 points and France's CAC 40 dropped 25.21 points.

Asian stocks also fell Monday following global cues. Market players are worried that the recently announced stimulus measures by policy makers around the world may not be sufficient to revive the global growth momentum.