Largest Companies by Market Cap - Complete Rankings
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What changed in this ranking
AI-generated summary by Rhea-AI, written on . How Rhea-AI works.
The biggest change in the live ranking was Coca-Cola FEMSA, S.A.B DE C.V (KOF), which fell 490 places, from rank 84 to rank 574. The live ranking is compared with the month-end snapshot of
Financial Services supplied a cluster of declines: Royal Bank of Canada (RY), Goldman Sachs Group Inc. (GS), Mitsubishi UFJ Financial Group, Inc. (MUFG) and HSBC Holdings plc (HSBC) all fell. RY, GS and MUFG each fell 5 places, while HSBC fell 4. Healthcare had another cluster: Novartis AG (NVS) and AstraZeneca PLC (AZN) each fell 5 places, while Amgen Inc (AMGN) fell 4.
KLA Corporation (KLAC) made the leading upward move, climbing 6 places to rank 52 from rank 58. Shopify Inc. (SHOP) climbed 5 places, Union Pacific Corp. (UNP) climbed 4, and Berkshire Hathaway (BRK.B), GE Vernova (GEV) and McDonald's Corporation (MCD) each climbed 3 places.
Newly appearing companies were all debuts. Pioneer Natural Resource Co. (PXD) entered at rank 270, Electronic Arts Inc (EA) at rank 314 and WestRock Company (WRK) at rank 802. Meanwhile, Berkshire Hathaway Inc. (BRK.A) departed from rank 35; its departure shifted companies below it by 1 place. The top 10 order was unchanged.
Compares today's ranking with the close of September 2026, the most recent month the archive holds. Positions here move with live prices, so a difference against that close is not a completed month's result.
Archive & sectors
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