Stock return comovement analysis is important to financial analysts, decision makers, and academic researchers, in many financial implications, such as, portfolio management, style investing, and market risk detecting. This paper examines firms' social media, in particular, microblogging...

Media-aware stock performance has been a hot issue in asset pricing. Numerous studies have focused on the impact of news content. However, few studies have paid attention to the form of news releases. In this paper, using data from 126,784 news of Chinese listed companies from 2013-2018, we...

In this study, we investigate the return enhancement ability of style momentum strategy: a strategy that switches between value and growth styles based on previous performance. We explore the variation in abnormal returns of long-only and long-short momentum strategies using various style based...