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This study aims to determine whether there is empirical evidence of stock split events in accordance with trading range theory or not. The empirical study was conducted on 28 samples of spliting firm and 86 samples of non spliting firm in Indonesia Stock Exchange from 2017 to 2019. The sampling technique used is random sampling. The method used is independent t test and paired samples t test. The result of this research show there is trading range on market stock price in year 2017, 2018, and 2019; and also shown by trading volume stock.

This research was conducted to see whether there was an abnormal return before and after the Jakarta PSBB announcement. The sample was selected using a purposive sampling technique from 30 stocks that are members of the Jakarta Islamic Index (JII) in the 2020 period. The data in this study used secondary data, opening, and closing prices, and Composite Stock Price Index (IHSG). This research is an event study using an event study with an observation period of eight days, four days before the announcement and after the day after the announcement of the Jakarta PSBB. Hypothesis testing uses the Wilcoxon signed ranking test. Based on the research results, there was no change in abnormal return before and after the announcement of the Jakarta PSBB announcement

This study aims to determine the relathionship between Net Profit Margin (NPM), Return On Investment (ROI), Return On Equity (ROE),  Earning Per Share (EPS), and Dividend Per Share (DPS)  to Stock Price. Population in this reseach is large tranding sub-sector food and bevarages on the Indonesian Stock Exchange during 2015 until 2018 period. Technique of sampling in this reseach using purposive sampling with a total sample based on criteria is 44. The results of the study indicate that partially Net Profit Margin (NPM) has positive affect the stock price, Return On Investment (ROI) has significant negative affect the stock price, Return On Equity (ROE) has positive affect the stock price, Earning Per Share (EPS) has significant negative affect the stock price, and Dividend Per Share (DPS)  has positive affect the stock price.  Keywords: stock price, net profit margin),  return on investment, return on equity, earning per share, and dividend  per share

The determinants of firm value in this study are the influence of leverage, price earning ratio and profitability. The sample in this study amounted to 45 data from 15 companies listed on the Indonesia Stock Exchange 2017-2019 period. This type of research is quantitative research and the data analysis technique used is multiple linear regression analysis which is used to determine the effect of each independent variable on firm value. Based on the partial test (t test) Leverage variables, price earning ratio and profitability have no effect on firm value. The coefficient of determination in this study is 15%, which means, Leverage, Price Earning Ratio and Profitability on Firm Value in Metal Companies Listed on the Indonesia Stock Exchange for the 2017-2019 period have an influence on firm value by 15%. And the rest is influenced by other variables outside of this study.  Keywords:  leverage, price earning ratio, profitability, firm value

The capital market is one of the alternative sources of long-term funding among various other alternatives for companies that need funds for the sustainability of the company. The capital market has an important role for the economy of a country because the capital market performs a function, namely as a means for business funding or as a means for companies to obtain funds from the investor community.   For this reason, it is necessary to expand research that is supported by a basic theory, so the problem of factors capable of predicting changes in stock prices is proposed, where there are two variables that are thought to have an effect on changes in stock prices in this study. The two variables are asset structure and firm size. In addition, based on various previous research results, it was found that there were gaps or inconsistencies in the research results (gap research) conducted by researchers. On this basis, the title adopted from this research is "The Effect of Asset Structure and Company Size on Share Prices in Pharmaceutical Sub-Sector Companies on the Indonesia Stock Exchange".