Spotify (NYSE:SPOT) stock is getting a boost on Wednesday as it prepares to add in-app purchases to its list of services for customers. This comes as the European Union (EU) prepares to put into effect its Digital Markets Act (DMA) law in March. This saw its designed to allow for more competition among big tech companies. In the case of Spotify, it opens the floodgates for in-app purchases. That includes the ability to buy audiobooks through the streaming service. This is a major win for SPOT stock investor ...