Why Reviewing Historical Prices Makes Sense
by Roger Wohlner
It is often useful to review a stock's historical prices and trading volume for at least a one-year period. This gives you a feel for price volatility, the pattern of the stock's movements, and how much interest investors have in the stock.
Source: http://www.investorguide.com/igu-article-828-stock-strategies-evaluating-potential-stock-investments.html
