The objective of this paper is to examine the reasons of firm-level one-day share price shocks and post -shock reaction. Positive and negative shocks are defined and detected by using the official news providers, which are required to disclose price-sensitive information. No information that...

This paper develops a theory of multiple unit auctions with short squeezes in the post- auction market. This is especially relevant for financial and commodity markets where players may enter the auction with established forward positions. We study how a potential short squeeze impacts on...

This paper proposes a simple bounded stochastic motion to model equity price dynamics under shocks. The stochastic process has a quasi-bounded boundary which can be breached if the probability leakage condition is met. The quasi-boundedness of the process at the boundary can thus provide an...