This paper studies the announcement effects of Cash Capital Reduction on the stock price of listed firms in Taiwan from 2005 to 2014. The empirical results show that there is positive CAR during the narrow announcement window. Then, CAR is regressed to firm characteristic variables. Market situation and investor sentiment variables are also included in the model. The empirical results show that there exist significant announcement effects in the full sample and listed companies; while do not exist in the OTC sample.