All trades on the Paris stock exchange after 5:30 pm local time (1530 GMT) on Monday have been annulled, except for commodities, due to hours of technical problems, market operator Euronext said. As a result, the CAC 40 index of leading shares closed with a gain of 0.14 percent at 4,942.62 points, it added, instead of a slight drop of 0.1 percent. fs/wai/spm