A strong opening to the year, and a very telling one.
Market context
Nasdaq Composite +1.3% and S&P 500 +0.6% signalled immediate risk-on sentiment.
Semiconductors led decisively. ASML and Micron Technology pushed to all-time highs, while NVIDIA and Broadcom extended their leadership.
Which stock hit a new high If I frame this from a portfolio construction perspective rather than personal holdings, ASML is the clearest example of a name that rewarded patience. Its new high reflects not momentum chasing, but structural scarcity in advanced chip manufacturing. That distinction matters. New highs driven by earnings visibility tend to persist longer than those driven purely by sentiment.
Do I believe in the January effect I believe in flows, not folklore.
January strength often reflects:
Portfolio re-risking after year-end de-leveraging
Fresh capital allocation at the start of mandates
Catch-up positioning in prior year winners
However, the January effect is unreliable in isolation. What gives this January more credibility is leadership breadth within semiconductors and confirmation from earnings-sensitive names, not just speculative beta.
In short, January can amplify an existing trend, but it rarely creates one. For 2026, the message from day one is not about seasonality, but about sustained confidence in the AI and compute capex cycle.
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