In Paris, the CAC 40 index finished down 25.88 points, or 0.68% at 3,785.55, amid controversy over the Aventis and Sanofi merger, which reportedly agreed to the merge following pressure from Jacques Chirac's government.
Germany's DAX index finished off its daily highs, up 22.21 points, or 0.54%, to 4,125.83, following a report that the IFO business confidence index surprisingly rose in April, the first increase in three months.
Asian markets began the week mixed. In Japan, the Nikkei 225 index added 43.23 points, or 0.36%, to close at 12,163.89, led by gains in exporters such Fujitsu, Japan's top computer maker, amid optimism over earnings prospects. Fujitsu added 3.08% after it raised its profit forecast for the past year to March.
In Hong Kong, the Hang Seng index shed more than its Friday gains on SARS fears. The index finished down 251.26 points, or 2.03%, to close at 12,132.68.
Canada's benchmark S&P/TSX fell 51.72, or 0.60%, to 8.,616.15.