Tony posted exactly the same thing on X, it has gained a single 'like'.

Sometimes you think, this must have been reported somewhere else - the FT, WSJ, BBG. But it wasn't. So you realise it must be an exclusive.

This is all on riskyfinance.com

The 'tentpole effect' - how Nvidia affects the cumulative weighted return as you add stocks to the index in order of decreasing market cap.

Half the YTD cumulative market cap increase is from four stocks...but that's normal these days