Investors are worried that the European debt crisis may spread to Italy and Spain and hit Europe hard, Reuters reported bank The impact of the system, the market value of the world's stock market has shrunk by about $4 trillion in the past two weeks so far this month.

Within two weeks, the market value of the MSCI all country world index (equivalent to one seventh of the previous total market value) was almost equal to the GDP of Italy, Spain, Portugal, Ireland and Greece combined. Some investors refer to these five countries as PIIGS.

After falling $2.5 trillion last week, the index fell again this week equity market 6 trillion US dollars. At present, the total market value of the index has dropped to $24.84 trillion.

S & P 500 index continued last week shrink After $850 billion, the market value fell by more than $710 billion before the end of the week, while the European stock market lost nearly $500 billion in terms of the MSCI Europe index.
?