The Impact of the Covid-19 Period on the Stock Returns and Financial Performance of Companies

This study examines the relationship between the financial performance and annual stock returns of 25 companies from the food, construction, energy, transportation, and technology sectors traded on BIST. The study aims to observe how the COVID-19 period affected these relationships. Data from 2018-2019 before COVID-19 and 2021-2022 after COVID-19 were included in the analysis. The financial performances of the companies were analyzed using the TOPSIS method. The relationship between companies' stock returns and financial performance was examined using Spearman correlation analysis. According to the results of the analysis, it has been observed that the stock returns of the companies fluctuate constantly, regardless of the COVID-19 period. It was concluded that there is no significant relationship between companies' stock returns and financial performance.