Some of the world's biggest tech companies have recently returned positive gains as stock markets in general start to rebound from the effects of Covid-19. However, Apple and Microsoft were the biggest winners this week, as their market caps now exceed half a trillion US dollars. They are also the first firms to do so in history.
https://www.notebookcheck.net/Microsoft-and-Apple-are-the-first-companies-to-cross-the-US-1-5-trillion-market-cap-threshold.470122.0.html