The following is a question related to accounting theory in the capital market. In Ball and Brown (1968) it is stated that most (85-90%) information about the announcement of company earnings is eagerly awaited and anticipated by investors/shareholders. What is your opinion, the effect of the announcement of the company's profit on the company's stock price in the framework of the "Efficient Market Hypothesis". Your answer must be supported by three evidences that the company's stock price increases after the profit announcement, or vice versa. Please browse at: idx.co.id. (three company share prices)