What I wanna stress again is that capability ratio is not everything, there are too many misuses in the industry, don't count all on it.

But it is now so profitable that the ratio of pay to revenue has actually fallen, to 43.7%, well below the 50% seen as a ceiling in the industry.

However, analysts have not yet agreed on what PE ratio each industry or company deserves and there is no one way to determine the right PE ratio.