It has been centauries since the countries of the world understood the interdependence of each on the other. The phenomena of globalization are one of the reasons of this interdependence. The countries are trading among each other through economic zones. Also the business in the stock market has gone Trans national. All the stock markets of the world make an impact on each other's trading patterns. Thus stock exchanges are strong indicators of the international business. Another advantage, as it may be called to the business, is the difference in the labor costs in the different countries. The booming business of outsourcing is an offshoot of this concept. The outsourcing business is now moving from the business processes to the manufacturing too. The practices like interdependence of the stock exchanges and the phenomena of outsourcing are causing great concerns to the domestic companies. The impact of outsourcing on the domestic labor is drastic.

The stock exchange index is generally confined to one country. However there are some indices, which are found in many other countries of the world too. America's Dow Jones and S&P 500 are some of the indices. Industry specific index can also be found. The Moran Stanley Biotech index is one such. They are referred to as specialty exchanges.

The NASDAQ in New York is the world's first electronic exchange. Set up in 1971, it has approximately 3200 companies listed with it. There are several indexes in the NASDAQ with separate base numbers and for different companies listed in them. For example there is a NASDAQ 100 index. It has base number 125 and has been traded on since 1994. Then there is NASDAQ Composite where most of the companies do business.

London too is one of the business hubs of the world. The stock exchange is one of the most influential ones. The kings of international businesses have their home ground sin London and they operate their world business from there. Being one of the biggest human settlements in the United Kingdom, London has a business of over 117,000 million pounds. The London stock exchange has been in existence since 1698 when commodity trade was rampant in the country.

Nikkei 225 is the index of the Tokyo's Stock Exchange. The markets can boast of being the technologically most advanced in Asia if not the world. Japan after the wrath of the war of 1945 has emerged out to become one of the controllers of world trade. The work culture in the country is unmatched by any country of the world. Probably this is the reason why it is has been the world business leader for a long time. Most blue-chip companies are listed on this market.

The hazards of speculative businesses are all around. The companies have created the tricks to trade out the non-productive scrip. Insider trading, for example, means floating false information in the market by those who are at the helm of affairs. The same misguides the traders. This has to be curbed by adding a deterrent to such practices.