All correlations breaking down
"What has been striking more recently is the bifurcation between the AI and non-AI trade, illustrated by the lowest and most negative correlation on record between our GS Broad AI basket (GSTMTAIP) and SPXXAI Index. The basket and the index have only traded in the same direction 1/3rd of the time in the last 3 months (vs ~2/3rd historical average)." - Goldman