How the FTSE 100 has changed five years on from Northern Rock

Back in 2007 12% of constituents in the UK's leading share index - the FTSE 100 - were banks, with three of the top ten largest companies in the index made up of HSBC, Royal Bank of Scotland and Barclays. However, five years on from the collapse and subsequent nationalisation of Northern Rock, the sector's dominance has waned, with investors across the board becoming disillusioned with the sector. Today just one bank - HSBC -remains among the top ten largest in the country, while the total sector index weighting has fallen to 9.8%. While banks have suffered defensive firms have thr...