Markets brace for the Fed as chip shares rise and health insurers slide on Medicare payment proposal

U.S. stock futures were split early Tuesday, January 27, 2026, with modest gains in contracts tied to the S&P 500 and Nasdaq offset by a sharper decline in Dow futures. The divergence reflected strength in chip-related names at the same time that health insurance stocks sold off hard on Washington policy headlines.

The biggest premarket drag came from managed-care and health insurance companies after the Centers for Medicare and Medicaid Services proposed a 2027 payment update that would raise Medicare payments by roughly 0.09%, far below what many analysts had expected. The proposal also signaled tighter scrutiny around how diagnoses are recorded in Medicare Advantage, an issue that has already drawn federal attention.

UnitedHealth shares dropped sharply in early trading, with other insurers and diversified healthcare firms also hit. The move turned into a sector-wide repricing as investors weighed both the direct impact on 2027 reimbursement and the longer-term message: regulators may be willing to squeeze margins and revise the incentive structure that has historically supported Medicare Advantage growth.

Chip stocks moved the other direction. Micron Technology was among the notable gainers after saying it has broken ground on a new manufacturing facility in Singapore, describing the effort as a roughly $24 billion investment spread over the next decade. The announcement reinforced a broader theme behind the AI buildout: companies are racing to expand capacity and secure supply chains for memory and other critical components.

Investors were also digesting a busy slate of corporate earnings. Several industrial and transportation bellwethers reported results, while markets continued to track large-cap technology names that were expected to report later in the week. Deal announcements and guidance changes added to the day’s crosscurrents.

Beyond individual companies, attention remained fixed on the Federal Reserve. With major indexes hovering near record closes, traders were cautious about the tone from policymakers and any updates to how officials see inflation progress versus labor-market cooling. Even if policy rates were expected to hold steady, the path of 2026 easing—or a longer pause—still mattered for everything from credit to equity valuations.