This report deals with assessment of risk and return relating to market index as well as individual companies in corporate finance. Technical analysis of fluctuation in Market Index, Construction Ltd and Financial Ltd. has been done in detail manner. It has been assessed that all companies do not have the same impact all the time, i.e. they do not move with market index in an exact manner but usually if the market makes profit, the companies also earn profit, but the rate of return is never same. The reason behind same is that return of a company is affected by systematic as well as an unsystematic risk; thus the companies are affected by market index but are not solely dependent on marketing index.