John Authers, Columnist

Stock Market Anomaly Is Playing By Its Own Rules

From cap-weighted outperformance to a lag for banking stocks, we’re in a rise that looks very weird. What’s going on?

There’s method in this market, but you have to look for it.

Photographer: Angus Mordant/Bloomberg

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Patterns and correlations, like rules, were made to be broken. Markets are aiming to allocate capital in an economy that is constantly evolving, so no relationship is ironclad. That said, the advance of the US stock market looks really, really weird.