| Summary: | 碩士 === 東吳大學 === 國際經營與貿易學系 === 97 === Due to it has obvious volatility in DRAM industry; moreover the violent price movements of DRAM impact the operational revenue of DRAM manufacturers, so this research attempted to reveal that the response time between stock market and DRAM market based on how the price’s variation of DRAM affects the profit of the Individual Stock Price. The finding can provide the further suggestion for the investment of DRAM industry in the future to build quick response ability in the industry and reduce the operational risk. There are many variables affecting the change of Stock Price, an effort was therefore to discuss the related indexes of the DRAM price’s variation in this article. This research took the DRAM related price index from DRAMexchange which represents the whole DRAM industry (DXI) and the weighting DRAM product spot price (SPOT) as the research variables, then added the fluctuation of OTC market to discuss their connection to the individual DRAM stock price by using the regression analysis.
Data were collected from April 2006 to March 2009, the result showed that the OTC index affected the stock price positively. Powerchip and ProMOS belong to OTC company, so the stock price of DRAM Group was affected by the fluctuation of OTC market. The effect of DXI index is significant to the variation of the stock prices from 4 different companies. The DXI is an index showing the DRAM output value changes, it can judge the volatility in this industry, and therefore it can affect the stock price positively. The finding of the research is Powerchip has the better response ability of the DRAM price on Spot Market than the other 3 companies. It’s because it has its major in the Spot Market.
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