Fluktuasi Harga saham PT. Timah (persero) Tbk banyak dipengaruhi oleh harga logam timah dunia, namun selain harga logam timah dunia terdapat variabel lain yang berhubungan dengan faktor makroekonomi, seperti inflasi, suku bunga, nilai tukar dan GDP. Dari hasil penelitian diperoleh kesimpulan bahwa ternyata hanya harga logam timah dunia yang mempunyai pengaruh signifikan terhadap harga saham PT. Timah, sedangkan inflasi, suku bunga, nilai tukar dan GDP tidak mempunyai pengaruh signifikan terhadap harga saham PT. Timah. Namun apabila kelima variabel tersebut diuji secara simultan, tenyata mempengaruhi harga saham PT. Timah secara signifikan.

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Fluctuations in the stock price of PT . Timah ( Persero ) Tbk is heavily influenced by the price of tin , but in addition to the price of tin are other variables related to macroeconomic factors , such as inflation , interest rates , exchange rates and GDP . From the research we concluded that it was only the price of tin that have a significant influence on the price of shares. Tin , while inflation , interest rates , exchange rates and GDP has no significant effect on the price of shares. Lead. However, if these five variables were tested simultaneously , tenyata affect the price of shares. Tin significantly.