US stocks today: Nasdaq leads Wall Street higher as SpaceX, Super Micro lift AI sentiment

economictimes.indiatimes.com · 2026-10-21

US stocks ended higher on Wednesday as SpaceX and Super Micro Computer boosted sentiment around artificial intelligence stocks. The Nasdaq led gains, while strong semiconductor stocks added support. However, weakness in Netflix, AT&T and other communications shares limited the broader advance as investors awaited more major technology earnings.

TickrTrends take: While the broader market rally reflected in today's Nasdaq gains was driven by technology and AI-related momentum, ABT's Healthcare sector positioning places it outside the primary drivers of today's market strength. With TickrTrends currently assessing ABT as undervalued, valuation-focused investors should monitor whether healthcare stocks gain independent momentum or remain decoupled from the AI sentiment lift seen in technology equities. The divergence between sector performance can offer insight into whether ABT's undervalued status reflects a temporary sector rotation or a more persistent valuation opportunity.

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