The index of 100 leading shares was down a third of a percent just after opening, as the markets await figures for UK growth.
At about 9am the FTSE was down 16.97 points, or 0.30%, at 5735.01.
GDP figures for the three months to September will be published by the ONS this morning.
The economic recovery in Britain is expected to show a sharp slowdown, with most analysts predicting it will have expanded by just 0.4%.
In Europe the German Dax was down 2.36 points, or 0.04%, at 6,636.85. The French Cac 40 was down 12.28 points, or 0.32%, at 3,857.72.
US stocks rose to a five-and-a-half month closing high, as a falling dollar prompted investors to buy riskier assets.
At the G20 meeting over the weekend, world leaders agreed to avoid a rush to devalue currencies which helped the dollar to fall.
The Dow Jones index rose 33.37 points, or 0.5%, to close at 6,639.21.
Japanese shares moved little overnight, with currency trends the main driving force with the Nikkei 225 up 0.3% to 9,424.34 points.
The yen hit a 15-year high against the dollar on Monday - at 80.41 to the dollar it was edging nearer to its all-time high of 79.75.
The dollar's weakness boosted commodities prices and there were rises in resource company shares.
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