Following Follow this topic Unfollow Follow this topic CAC40 ...more info The CAC 40 is a benchmark French stock index. The index represents 40 companies among the 100 highest market caps on the Paris Bourse. Sign up to comment Characters left: Attach images or documents You can only attach a maximum of 10 images Browse... Tag your Squawks to reach a wider audience. Close Say it now! Show next 3 calender events Be the first to write a squawk about CAC40 by typing into the box above.