I started reviewing the biggest tech players in the world and noticed something interesting in 2026: the concentration remains brutal in the US, but the market is much more dynamic than before. The largest tech companies in the world are still dominated by American giants, but now we see stronger movements from Asia and even some Brazilian companies gaining relevance.

Microsoft, Apple, Amazon, and Alphabet continue to lead the market value ranking. Nvidia has become an impressive story – in five years, its stock has risen over 1,600%, surpassing Apple at times. Tesla also remains a reference, especially for its bets on AI and automation.

What’s driving all this is artificial intelligence itself. Any tech company not integrated with AI is losing ground. Big data, cloud computing, and blockchain remain relevant, but AI is now the engine.

Here in Brazil, the story is different. Totvs continues to be the main reference in enterprise software – recently, it closed interesting partnerships with generative AI companies and is migrating its services to the cloud. Locaweb and Sinqia are also growing, but on a much smaller scale compared to global giants.

There are quite a few multinationals operating strongly here as well: IBM, Oracle, HP Enterprise, along with players like Mercado Livre Tech and Neon Payments, which grow each quarter.

If you’re thinking about where to put money in tech in 2026, the biggest tech companies in the world still offer more long-term opportunities – Microsoft, Apple, and Nvidia have consistent cash flow. In Brazil, it’s worth keeping an eye on Totvs and Locaweb if you want local exposure.

The truth is that the tech sector continues to be the most promising for investors. Tech companies grew exponentially over the last decade and show no signs of slowing down. Just be careful: volatility is high, so invest with a cool head and knowledge.