The move could add the Elon Musk-led firm to many retirement portfolios.

SpaceX joins the Nasdaq-100 on July 7, triggering an estimated $4.3 billion in forced buying by index funds. Here's what it means for your portfolio.

Previous high‑profile additions to the Nasdaq 100 experienced volatility rather than a smooth ascent.

SpaceX will be officially in the Nasdaq 100 index on Tuesday.

SpaceX is set to join the Nasdaq-100 index today, July 7. This inclusion could trigger approximately $4.3 billion in passive investment inflows. Companies joining the index often…