Stocks split as chip surge collides with health-insurer selloff; traders brace for the Fed

U.S. markets opened January 27, 2026 with a push-and-pull feel: technology strength, led by chipmakers, nudged S&P 500 and Nasdaq futures higher, while a steep selloff in health insurance stocks dragged on Dow futures. The split reflected how quickly investors are repricing sector-specific policy risk even as broader risk appetite remains supported by momentum in AI-related demand.

The health-insurer slide followed a government proposal pointing to only a 0.09% increase in Medicare Advantage payments for 2027—far below what Wall Street had been expecting. Major names across the space dropped sharply in premarket trading, amplifying volatility and reminding investors that regulatory headlines can overwhelm even solid earnings setups.

On the other side of the ledger, semiconductors helped stabilize sentiment. Micron’s plan to invest roughly $24 billion in Singapore over the next decade underscored how aggressively the industry is expanding capacity to meet memory demand tied to AI and data-center growth. That narrative—tight supply, rising investment, and the strategic value of advanced chips—has remained one of the market’s strongest pillars.

Earnings also stayed in focus. Several heavyweight companies reported quarterly results, and traders parsed forward guidance for clues about demand resilience, costs, and how corporations are handling higher-for-longer borrowing conditions. When guidance is strong, it can offset macro uncertainty; when it is cautious, it tends to reinforce defensive positioning.

With the Federal Reserve’s next decision approaching, investors are weighing whether officials will keep policy steady after cuts in 2025. The key tension is familiar: inflation has eased from its peaks but remains sticky enough that policymakers may not want to reignite price pressures, while parts of the job market show signs of cooling. The market’s day-to-day moves increasingly reflect that balancing act.

For now, the day’s takeaway is not a single index level but a pattern: tech optimism, policy-driven shocks in healthcare, and a broader market that remains highly sensitive to both Washington and corporate guidance. That combination suggests continued rotation and headline risk rather than a smooth, one-directional tape.