This paper studies the effects of price limits implemented by the Securities and Exchange Commission (SEC) after the May 2010 ‘Flash Crash.' The security-level price limits halt trading after a security's price experiences a sudden and large movement. The difference-in-difference design...

Theory suggests that dark pools may facilitate or discourage information acquisition. We find that more dark pool trading leads to greater information acquisition. To overcome endogeneity concerns, we exploit a large exogenous decrease to dark pool trading that results from the implementation of...