The FTSE 100 is the collective name for the 100 largest UK companies by value.

The FTSE 250 is the collective name for the 101 -350 largest UK companies by value.

The FTSE 350 is the collective name for the 350 largest UK companies by value.

The FTSE All-Share is the collective name for all shares listed on the London Stock Exchange’s main market. It includes all shares in the FTSE 100, FTSE 250 and FTSE Small-Cap indices.

Discover more with our beginners guide to investing in shares.