The crisis of the sub-bonuses, or the crisis of sub-bonus is world financial and stock-exchange crisis, activated in 2006by a crash of the mortgage loans at risk in the United States revealed to the world in February, 2007, then transformed in crisis world financier from the summer, 2007.

The crisis provoked from July 18th, 2007 a general crisis of confidence in the financial system, a fall of financial markets and a crisis of banking liquidity. Fearing that the crisis gets(touches) the sphere of the real economy, the central Banks were brought to inject liquid assets in the interbank market and to soften their monetary policy.

The consequences of the crisis, which is not finished, remain still difficult to estimate at this beginning of year 2008. However, on January 21st, 2008, the Paris Stock Exchange fell(flopped) of 6,83 %, the never seen since the attacks(attempts) of September 11th, 2001.