The Athens Stock Exchange General Index is a capitalization-weighted index of Greek stocks listed on the Athens Stock Exchange. Find the latest information on COMPOSITE INDEX (GD.AT) including data, charts, related news and more from Yahoo Finance The index was … The Athens Stock Exchange General Index is a major stock market index which tracks the performance of Greek stocks listed on the Athens Stock Exchange. The FTSE/ASE Large Cap Index consists of 25 of the largest and most liquid stocks that trade on the Athens Stock Exchange. It is a capitalization-weighted index. Athens Exchange, in cooperation with the most valid international index providers, calculates and disseminates worldwide over 30 indices, either on a real-time or on an end of day basis. The ASE General Index has a base value of 100 as of December 31, 1980.