London Stock Exchange
The FTSE 250 follows the share prices of the 101st to the 350th largest companies. There is also the FTSE 350 Index which combines the FTSE 100 and 250, and the FTSE SmallCap Index, which tracks the 351st to the 619th largest-listed companies. The the FTSE All-Share Index is an index of all 620 companies listed.