Stock price synchronicity has been associated with various market outcomes like the return-sentiment relations, stock liquidity, and asset pricing models. Therefore, researchers have devoted a lot of time in revealing the underlying factors that drive stock price synchronicity. Using a sample of...

Stock price synchronicity has been associated with various market outcomes like the return-sentiment relations, stock liquidity, and asset pricing models. Therefore, researchers have devoted a lot of time in revealing the underlying factors that drive stock price synchronicity. Using a sample of...

In this study, we examine the impact of high-frequency trading (HFT) on stock price crash risk in 24 countries over the period 1990 to 2019. Using a difference-in-differences approach, we find that HFT participation significantly increases stock price crash risk. We attribute this finding to the...