This week, interest rate debt in developed countries in Europe and the United States suffered a massive sell-off. Affected by this, the yield curve of government bonds has been changed to a steep and steep trend. The form of shares is the share certificate. Different types of joint-stock enterprises, the specific form of their share certificates are different. Among them, only the limited company is used to express the company shares the form is the stock. Stock shall be recorded according to the amount of capital represented by the shares and shall be recorded by shareholders' share of capital contribution and shareholder rights for the public subscription and transfer of transactions. Holding a stock means owning a stake in a limited company, acquiring a shareholder's qualification, and exercising shareholder rights. Apple has released some incredible huge facts for their third quarter of 2011, with quarterly revenue reaching $28.7 billion, growing 82% year over year along with a net gain of $7.31 billion. Steve Jobs, Apple's CEO said: 'We're thrilled to deliver good quarter ever, with revenue up 82 percent and profits up 125 percent.' and the man added 'Right now, we're very focused and pumped up about bringing iOS 5 and iCloud to the users this fall.' Banks in USA vary working schedule than in India. In USA Monday through Friday is recognized as "Business day". This day of Monday is treated since the holiday which is assumed as weekends long events. Rest purchasing in India which includes holidays same works together with the USA. There are 10 US national 2010 bank holidays each year so the banks work according them.