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Market movers › Oct 1, 2026

Why stocks rose and fell on Oct 1, 2026

23 stocks with notable moves: companies over $10B that moved more than 5%, plus the sharpest moves among smaller companies. For each — the day's headlines with a link to the source; if there was no news, the page says so. The strongest sector was Technology (+1.69%), the weakest Healthcare (−1.48%).

Gainers · 21

ACN+15.8%Accentureearnings

The trigger was the quarterly report: EPS +9% year over year, 3.7% above the estimate.

CRDO+7.9%Credo Technology

No news on Credo Technology today. The Technology sector moved +1.69% (median).

UI+7.4%Ubiquiti

No news on Ubiquiti today. The Technology sector moved +1.69% (median).

MPC+6.3%Marathon Petroleum

No news on Marathon Petroleum today. The Energy sector moved +1.48% (median).

CDNS+6.2%Cadence Design Systems

No news on Cadence Design Systems today. The Technology sector moved +1.69% (median).

TSEM+6.1%Tower Semiconductor

No news on Tower Semiconductor today. The Technology sector moved +1.69% (median).

TEAM+5.9%Atlassian

No news on Atlassian today. The Technology sector moved +1.69% (median).

MTSI+5.9%MACOM Technology Solutions

No news on MACOM Technology Solutions today. The Technology sector moved +1.69% (median).

SNX+5.8%TD Synnex

No news on TD Synnex today. The Technology sector moved +1.69% (median).

INFY+5.5%Infosys
VLO+5.4%Valero Energy

No news on Valero Energy today. The Energy sector moved +1.48% (median).

IOT+5.0%Samsara

No news on Samsara today. The Technology sector moved +1.69% (median).

Decliners · 2

ALNY−6.3%Alnylam Pharmaceuticals

No news on Alnylam Pharmaceuticals today. The Healthcare sector moved −1.48% (median).

Headlines link to their sources. We do not copy article text.