Major stock markets outside the United States ended on Wednesday.
The ratings agency's revised outlook and a warning that Spain faced a risk of a debt downgrade in two years if the government did not take tough action came just one day after Fitch Ratings cut Greek debt to the lowest level in the eurozone on worries over its public finances. The FTSEurofirst 300 index of top European shares ended down 1 percent, the lowest close since November 30.