US PREMARKET MOVERS: AAPL, AMZN, XOM, CVX, ABBV, LIN, ETN, SYK, COIN, RBLX, RDDT, REPL

A heavy cross-sector earnings morning of the kind that tends to set sector rotation rather than index direction: mega-cap results of opposite sign (one hardware bellwether down sharply on guidance and supply warnings, one cloud name up on AI demand evidence) often cancel at the index level while driving large single-stock and sub-industry dispersion. The recurring pattern in such sessions is that guidance, not the backward print, determines the move: misses on forward outlook (healthcare, industrial gases, medtech here) are being punished more severely than modest EPS shortfalls in the integrated oils, consistent with markets treating energy earnings as commodity-driven and therefore less idiosyncratic. The crypto exchange and consumer internet names declining on revenue and guidance misses follow the established high-beta pattern of outsized reactions in crowded growth names. The advisory committee win in the small-cap biotech is the standard binary event in that space, where panel votes historically precede a formal approval decision and post-vote moves of this magnitude are the norm rather than the exception. Worth noting is the futures divergence, growth-heavy contracts outpacing on the cloud print, which is the usual transmission when AI capex validation outweighs hardware weakness. The follow-ons are the opening cash session breadth and whether analyst revisions cluster around the guidance cuts.