Marciniak, Marek - In: Journal of Economics and Finance 36 (2012) 4, pp. 822-849
The study examines the information content of press announcements of S&P 400 additions between 2002 and 2007. Prior … research into stock index additions has explained the positive valuation effects of additions to S&P indices mostly in terms of … strengthens the argument that announcements of additions to an S&P index contain new signals about the industries represented by …