[hamstercat]

My boring answer: none directly, though an index fund I invest in has a small share of Apple, Microsoft, Google, Amazon and Facebook. I already work in tech, both at my main and side jobs, so not being too invested in tech seems wise even if I don't see it blowing up again.

[SomewhatLikely]

I've felt the same way over the years, though my belief in that maxim is fading for at least two reasons. One, is that if you're going to extend beyond index funds, it's probably best to invest in companies/industries you know best. And secondly, "tech" is a very broad industry, and there's no reason to think it couldn't come to be a larger and larger share of the whole economy. "Tech" is set to continue disrupting industrial, transportation, agricultural, and energy sectors. I think when you look at it that way, it's almost foolish to avoid tech. Oh, and I'll add a third: would you rather invest in something that is growing, or something that is stagnant/dying?

[zzalpha]

Amen. Not heavily investing in tech while being in the industry is just another form of diversification.

[Banthum]

True - If you're working in tech, you're already invested in tech, even if you've never bought stock at all.

Heck - if you have spent any effort or time learning tech skills, you're already invested in tech. A penniless first-year comp sci student is heavily invested in tech.