The tech sector has been on fire lately, but ASML, Datadog, and ServiceNow should stay hot well into the future. Tech stocks are hot right now. The S&P 500 is near its all-time high and megacap tech stocks dominate the index. Additionally, the Nasdaq-100 Technology Sector Index is just days away from its all-time high. Any way you look at it, it's a good time to be a tech investor. This party won't last forever, though, and a pullback in tech stocks is inevitable at some point. This is why it's a smart stra ...