The expansion of investment strategies and capital markets is altering the significance and
empirical rationality of the Efficient Market Hypothesis. The vitality of capital markets is …

For a rapid dissemination of information during crisis events, official agencies and disaster
relief organizations have been utilizing social media platforms, which are susceptible to …

Social media has become a current important media of a social movement. The paper
investigates the relationship between social media and social protest in the case of the …

In 2021, the abnormal short-term price fluctuations of GameStop, which were triggered by
internet stock discussions, drew the attention of academics, financial analysts, and stock …

This study investigates the volatility dynamics of oil and gas prices in an environment
characterized by post-coronavirus disease 2019 recovery, uncertainty, high inflation, and …

This study rigorously investigates the impact of COVID-19 on Tunisian stock market volatility.
The investigation spans from January 2020 to December 2022, employing a GJR-GARCH …

Interactive information between listed companies and investors is an emerging form of
information disclosure in the stock market and has a crucial impact on stock market analysis …

The relation between corporate environmental, social, and governance (ESG) performance
and firm value has received increasing attention. However, the recent literature on corporate …

Using a sample of clarification announcements by Chinese listed companies and a
difference-in-differences approach, this paper discusses the impact of short selling on …

The question of whether microblogging data is reflected in stock market in the internet era is
an outstanding issue. Here, we propose a new measure (Sina Weibo Index) of …