There are some differences between 2000 and now though. In 2000 Nasdaq was in stratosphere. Also MSFT top coincided with the dot-com bust.
So let's look at how similar the charts are. I plotted them over SPX to show how ignorant the whole market was/is to the topping development in these undisputed market leaders at first, only to follow them lower later.
|click on charts to enlarge|