New blog post: https://mertbulan.com/2025/08/23/differences-between-expats-and-immigrants/

I've been investing in the S&P 500 ETF for the past seven years, but I stopped this year. The main reason I invest in ETFs is for diversification. However, when nearly 40% of the index's value is concentrated in just the top 10 companies, it no longer feels diversified enough for me.