Largest Companies by Market Cap - Complete Rankings

Sandisk Corporation (SNDK) fell 24 places, from rank 93 to rank 117, between the current board and the close of October 2026. Because the current board is live, this comparison uses the close of October 2026 as a month-end snapshot rather than a completed current month.

Technology drove much of the decline. Salesforce, Inc. (CRM), Marvell Technology, Inc. (MRVL) and Dell Technologies Inc. (DELL) all fell alongside SNDK. CRM and MRVL each fell 11 places, while DELL fell 10. Energy also declined, with ConocoPhillips (COP), Shell (SHEL) and TotalEnergies SE (TTE) falling.

At the top of the ranking, Broadcom Inc. (AVGO) rose 2 places from rank 10 to rank 8. Tesla, Inc. (TSLA) fell 2 places from rank 8 to rank 10. Meta Platforms, Inc. (META) held rank 9. AVGO passed META and TSLA, and META also passed TSLA.

Arista Networks (ANET) rose 14 places from rank 66 to rank 52. Qualcomm Inc. (QCOM) rose 10 places from rank 89 to rank 79. Sony Group Corporation (SONY) also rose, joining ANET and QCOM among Technology's 3 upward names. Communication Services had 3 companies that rose, including T-Mobile US, Inc. (TMUS); Financial Services had 3, including HSBC Holdings plc (HSBC).

Kenvue Inc. (KVUE) left the ranking after holding rank 397. Twist Bioscience Corporation (TWST) remains listed but fell below the compared part to rank 1072. Caris Life Sciences, Inc. (CAI) likewise fell below it to rank 1117.

The lower end also widened: Zeta Global Holdings Corp. (ZETA) now appears at rank 944 after being outside the earlier compared part. These lower-ranked appearances reflect the live board's deeper reach, not newly listed companies.