ANALISIS MARKET OVERRACTION PADA SAAT INITIAL PUBLIC OFFERING (IPO) DI BURSA EFEK JAKARTA PERIODE 2000-2004

Initial Public Offering (IPO) or offer of maiden share is a event where for the first time him a company offer or sell the share of to crowded society ( public) in capital market or can is also interpreted as common emission which on the market society for the first time him which was in general commercialized capital market. The goals of reseach is known what happcncd underpricing for IPO, what the company work will turn down for long run under performance, and from investor will happened overreaction. Research result show, the happening of underpricing at the time of IPO, happened degradation of company a long run under performance on term him and happened overreaction from all information investors will new in -Effect Exchange of Jakarta with period of perception 2000-2004. Sampel in this research counted 35 companies except finance and banking doing IPO in Effect Exchange ofJakaita I, BEJ) in analysis by using one sampel Hest.