Next Day Prep #348: Cautious Upgrade: Narrow Breadth, Mega-Cap Mirage? – Wednesday 10/21/2026

Episode summary

The market regime upgraded to Cautious as the 40-day breadth jumped, but the 20-day reading slipped, signaling a narrow, large-cap-led rotation rather than broad confirmation. SMCI’s blowout guidance reignited the AI capex trade, driving momentum scans while reversal plays stayed scarce, and the focus now shifts to after-hours earnings from META, TSLA, IBM, LRCX and...