The acquisition of Dorcas by Allegion is likely to have a positive short-term impact on ALLE's stock price. This move not only expands Allegion's product portfolio in the electro-mechanical access control sector but also strengthens its international market presence, particularly in Spain. Given the strategic nature of this acquisition, it is expected to be viewed positively by investors, potentially leading to an uptick in stock price as the market reacts to the news.