SpaceX joins the Nasdaq-100 index. Here's why it was added, what it means for investors, ETFs, stock price, the S&P 500 and the broader market.

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.