For investors tracking technology trends and aerospace investments, a notable event is unfolding on Wall Street.
On Friday, Sept. 18, index-tracking funds will make one of the quarter's largest programmatic portfolio adjustments. As post-IPO lockups expire and more of SpaceX's (NASDAQ: SPCX) shares become freely tradable, the benchmark weighting for SpaceX in the Nasdaq-100 will more than double at the quarterly rebalance.