In the light of monetary crisis 2007 - 2010, many companies have had to trim their spending. Meanwhile, in the earlier years, they donated immeasureable dollars. Although there remained many big corporations which still gave away billions to charity within the global slowdown, others slimmed down their funds donations. In 2009, many company gained bigger profits, but this would not translate into bigger donations. Tough economic times can't prevent America's largest business from continuing giving in 2009. 30% of the large corporations gave more cash, and 16% gave a comparable because the year before. In general, total of 68 companies gave less during 2009 than 2008. Cash and product giving combined fell the first time for recent seven years. The following is a summary of companies which gave most during 2009. They were measured by comparing total giving in cash and products during 2009 to total profits in the year before. According to the local biggest news agency Press Trust of India news agency (Press Trust of India) reported that, according to official sources in nine exchange about 2 million registered users, about 400000 to 500000 people have been conducting currency trade and investment. On the other hand, if investors think that inflation will worsen or worsen, interest rates may rise to curb inflation, and bond prices will fall. First half of the 1980 s, the United States there is a lot of huge budget deficit and trade deficit, the dollar remains strong, is the United States adopted a policy of high interest rates, which makes a lot of capital from Japan and Western Europe into the results of the United States. The trend of the dollar has been greatly influenced by interest rate factors. Interest rate decision theory Understand different connotation of interest rates, will help us for the financial concepts of interest rates has a more deepen understanding, especially the formation, change and derivatives need to be determined by the market, this is a very key factor.