Topic
Structural fragility when a handful of mega-cap names account for a disproportionate share of index returns.
Pacer's COWZ has grown to about $19 billion and VictoryShares' VFLO past $11 billion as US funds that pick stocks by free cash flow gain ground. Their screens rank companies on the cash that AI spending consumes, though asset totals cannot show whether buyers are hedging the cycle.
Reality
Nvidia's 7.55% weighting in Vanguard's S&P 500 fund has passed Apple's 7.05%. Two names now carry 14.6% of the portfolio most American retirement money holds by default.
Reality
Server rail, cooling and optical suppliers inside the MSCI EM index are up as much as 90% while the index itself gained about 22%. The two chip mega-caps are no longer the trade.
Reality
Over the decade the figure was 13%. The defensible part of an advisory business is tax, income and estate work, and the fee schedule should say so out loud.
Reality
The S&P 500 and Dow set records on AI earnings, but one stock moved roughly sixteen times as far as the index that day. That ratio is the story.
Reality