We investigate whether media coverage of mega-sports events can have spill-over effects in the stock market. Specifically, we focus on the Olympics and we analyze whether the media attention and hype surrounding the Olympics encourages investors to use the Olympics as a way to classify stocks...

We use the IPO setting to provide evidence that accounting measures of valuation uncertainty combine with short-sales constraints to generate significant equity market mispricing. The IPOs that we predict to be most susceptible to overpricing in the immediate aftermarket have first-day returns...