In how to value stock we learned to put a price tag on a share of company.
Most websites give you these details basis only last year performance, however a consistent company is always preferred more than an inconsistent company !
In simple terms a company who is consistently performing on required Financial Ratios for 5 to 10 years is much better to invest than a company which has performed only for last 1 to 2 years. The longer this consistency record is maintained the more is its probability of performing in future.
Presently our stock market report gives only 3 years details, however, after finding undervalued stocks, we highly recommend to do the financial statement analysis of each company for at least 5 to 10 years.