The IBEX 35 was inaugurated on 14 January 1992,[REF] although there are calculated values for the index back to 29 December 1989, where the base value of 3,000 points lies [REF].
The week of the January 2008 stock market downturn was characterised by extreme volatility in the markets, and saw both the biggest one day percentage fall and rise in the IBEX 35's history.