US stocks today: S&P 500, Nasdaq close lower amid mixed show by tech stocks ahead of earnings

U.S. equity markets closed with mixed signals as the Nasdaq faced headwinds from weakness in software equities, offset partially by strength in semiconductor names. This bifurcated performance within the technology sector reflects rotational positioning ahead of critical earnings catalysts from Alphabet and Tesla, both pivotal to AI narrative validation and capital allocation decisions.

The cautious pre-earnings stance indicates investors are taking risk off the table selectively rather than exhibiting broad-based retreat. Semiconductor strength contrasts with software weakness, suggesting allocation preference toward hardware exposure and tangible AI beneficiaries over software valuations still pricing optimistic growth assumptions.

Concurrent pressures from elevated crude oil prices and geopolitical tensions inject inflation expectations into the calculus, creating cross-currents that dampen upside momentum. This dynamic maintains volatility despite persistent AI-driven optimism, preventing strong directional conviction in either direction.

Sector implication: Technology remains bifurcated with hardware/chip exposure favored over software; Energy sector headwinds from geopolitical risk complicate broader market recovery patterns and may constrain risk appetite through earnings season.