Introduction: During SARS period, Hong Kong is in the trough, the unemployment rate is around 8%. Due to the individual visit scheme, the increase in the number of tourists from the mainland China helps stimulate the local economy which is turning into recovery. Greater transactions in the stock market in Hong Kong can act as a indictor. The above news article is a good evidence. China Life Insurance Company Limited is going to issue shares in this week. As the interest rate of Hong Kong dollars is very low, so people prefer other ways of investment instead of keeping money in the saving account. Some residents went to the bank to line up over night to get the application form and hope to buy the shares to earn money. Unfortunately, there are lots of people and the application forms are not enough, so a long queue appears outside some banks. Explanation: China Life Insurance Limited Company is a Public Limited Company. Now it issues shares through the banks. Other features: There is no maximum number of shareholders, but it should have at least 2 shareholders. Now it issues the application forms through the banks to the public, then later shares are freely transferable and traded in stock exchange. China Life Insurance Limited Company can have a wider source of capital through issuing shares, but it is required to publish its financial accounts to the public. Also, bank run may occur easily as people withdraw money to buy shares. So banks need to keep reserves for meeting clients’ withdrawals. If they fail to do so, their clients may lose confidence in them and take their money back, resulting in bank runs. Banks often keep excess reserves for safety reasons. Except providing investment service, banks also have other services like coin exchange, safety boxes. Most commonly use are deposits, it includes demand deposit, saving deposits and time deposits. Some banks also sell negotiable certificates of deposits to attract deposits. There is also lending service. If refers to as a bank loan or bank credit. The 2 major forms are: Fixing amount loan. A fixed sum is lent to the client. He is required to pay back the principal and interest in installments. The interest rate is usually floating. Another one is overdraft. The clients are allowed to withdraw more money than what he has in his deposit account. The interest rate on the over-drawn amount is usually floating and interest is calculates on a daily basis. Banks also have a function of financing international trade. Banks finance export or import trade by issuing letter of credit and bills of exchange. P Excess Demand O Q Shares of China life Quantity demanded is larger than quantity supplied(Qs). There is excess demand. The market price decrease(Pe→Pc). The quantity transacted decrease(Qe→Qs). Total