You can ignore AI giants like SpaceX, but your 401(k) won’t

SpaceX's stock debuted with a 19.2% increase, valuing it at $2.1 trillion, which could lead to its inclusion in major stock indexes. This impacts 401(k) accounts as index funds, which outperform most actively managed funds, track these indexes. Nasdaq recently adjusted rules to allow large companies like SpaceX into the Nasdaq 100 index faster.