The capital market is one alternative that can be utilized to meet the needs ofcorporate funds. Stock players or investor needs to have some information relating to thedynamics of stock prices in order to make decisions on the worth of company stock that ischosen. In this research, the researcher took several factors that could influence stock prices. Inthis research, researcher took LQ45 because they were most active from many other companies.This research used a correlation research type with the characteristics of the problem that wascorrelational relationship or influence of two or more variables. This type of research was acorrelation study. In this case it was an analysis of the influence of the Net Profit Margin(NPM), Return On Assets (ROA) and Return On Equity (ROE) of the Stock Price. From the testresults that was made in 2008-2010, LQ45 got results that simultaneously Profit Net Margin(NPM) (X1), Return On Assets (ROA) (X2) and Return On Equity (ROE) (X3) had a significantinfluence on Stock Price (Y) of 5.636, while partially it got a result that the variables thatinfluence the stock price were Return On Assets (ROA) (X2) and Return On Equity (ROE) (X3)and NPM variable (X1) had no influence.