Apple Inc (NASDAQ:AAPL) and Alphabet Inc (NASDAQ:GOOG) owned Google are facing an “in-depth” investigation into their dominant position by the UK's competition watchdog.  With 97% of online activity in the UK taking place on browsers powered by Apple or Google, the Competition & Markets Authority (CMA) said the US tech giants are imposing restrictions which could potentially hamper the growth of other browsers, web developers and cloud gaming service providers.