From this report we can see the fluctuation of stock price of Adhi Karya, Tbk from January 2,2011 till October 30, 2011. The data show us the average stock return is 0,00167719 which means that at least the investors who hold the stock of Adhi Karya will gain 0,001678 or 0,1678% profit per day. While for the standard deviation of stock market is 0,030381418 and it means that the different between the expected return and actual return is about 3,039%. For the market return, the average value is 0,000985588 and it means that the investors who are investing to this company and hoping to get some profits from the market return can get 0,098% profit from the market price.
For the standard deviation of stock market is 0,030381418 and it means that the different between the expected return and actual return is about 3,039%. The standard deviation from market return is 0,013931372 or 1,3932%. It means that the difference between investors’ expected return and actual return from the market, in this case IHSG, is around 1%.
The beta is 0,267191567. Beta show us when there is 1% increase in market return, the stock price will increase by 0.2672%.
Adhi Karya,Tbk has three business which are construction, EPC, and investation. Construction is a part of star on BCG matrix because they keep builds the construction and also become the market leader with 7% of market share. The existence of EPC is the part of cash cow because the core business of Adhi Karya is already succes and they use the fund to make another business. Investment is a new business of Adhi Karya, Tbk and it is include in question mark on BCG matrix or as introduction in product life cycle. For the dog part, there is no such product that we can put in this part because Adhi Karya, Tbk is still a growing company and it is promising. The products owned by Adhi Karya still can generate profits to the company.

