摘要(英) |
In this research, we tracked the volatility of Apple supply chain’s company stock price by the participation of total securities company branches in Taiwanese stock market. In May 2018, there were 110 companies in the Apple supply chain. From these 110 companies, we observed the data through AR (q) examination from January 3rd, 2015 to December 31st , 2017. Then we modified the standard error through the method of Newey - West (1987) . We use the investors’ daily purchase of Apple chain stock in contemporary and previous day to examine their correlation with the stock price changes. Our results would provide some information as reference for stock market investors.
To conclude, our empirical results suggest that the investors’ daily stock market purchase of Apple chain companies a day ahead had more significant positive effects on the stock price than the current day’s counterpart. Our results offer some implications that the investors’ more active to participate in stock market, the wider the dispersion of equity chip movements. |
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