By Foo Yun Chee BRUSSELS (Reuters) – Alphabet’s Google will tweak online search results to give comparison sites more prominence, the company said in a blogpost on Wednesday, as it outlined efforts to comply with new EU tech rules that could hit revenues for some companies. Under the European Union’s Digital Markets Act (DMA), which the company will have to comply with by March 7, Google is obligated to treat rival services and products the same way as it treats its own when it ranks them in search results. It is also required to allow business users to access the data that they generate when …