If a company is publicly traded and has a pulse, it is likely in here.
If you are managing a 401(k) or an IRA for a spouse who isn't interested in finance, leaving them 100% "Mac All World" is safer than leaving them 100% S&P 500. If the US enters a lost decade (like Japan did in the 90s), the global fund will still perform. mac all world
Takeaway: You are diversified by geography, but you are still very exposed to US Tech mega-caps. If a company is publicly traded and has