1. Its calculation and disclosure includes the basic earning per share and the diluted earning per share.

2. The ratio can be determined by net asset per share, earning per share, market per share and L-G model.

3. The corporate performance is measured by three guide lines: Market-to-book value(MB) , return on equity(ROE) and earning per share(EPS).

4. To each listed company, the 4 main financial indexes are considered: earning per share, net asset per share, return on equity, cash flow per share.

5. The stock price of High-tech industry is depended primarily on the inner Earning per share.