Cummins Drops 5% in One Session, Shedding About $3 Billion
As seen on the 24/7 Wall St. homepage on November 4, 2026.
A 4.97% slide to $474.10 wipes roughly $3 billion off this $65 billion engine maker in a single session, an outsized one-day move for a name that rarely travels this far. Keep an eye on whether it holds the $474 level into the close.
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Cummins slid to around $474.10 by the close, a loss of nearly 5% that stripped roughly $3 billion from the engine maker's market value in one session.
A move of this size stands out for a company of Cummins' scale. Industrial names in this weight class typically absorb daily swings of well under 2%, so a nearly 5% decline draws attention from portfolio managers who track it as a bellwether for heavy-duty engine demand across trucking, construction, and power generation.
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Selling pressure held all day: the stock broke below $480 early and stayed there, with brief rebounds failing to reclaim meaningful ground, a sign sellers kept control well past the open.
The $474 level is the immediate line investors will be watching, and whether volume stays elevated in the sessions ahead signals whether this was a one-day reset or the start of a broader reassessment of the stock's valuation.
Sources
Mentioned: CMI