Marathon Petroleum Drops 7% in a Single Session, Erasing $8 Billion
As seen on the 24/7 Wall St. homepage on November 4, 2026.
A 6.98% slide to $387.85 wipes out roughly $8 billion of market value in one session, a rare one-day drop for a refiner this size. No clear catalyst yet, so watch whether buyers step in near this level.
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Marathon Petroleum slid nearly 7% from open to close, erasing roughly $8 billion of market value in a matter of hours. A move that large in one session is unusual for a refiner of this scale.
The selloff came without a clear catalyst: no earnings miss, no regulatory announcement, no major guidance cut. That raises the question of whether institutional sellers are reducing exposure to the refining sector more broadly.
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Selling persisted from the first hour through the afternoon with no meaningful recovery, a pattern that points to sustained distribution.
Whether buyers defend the current level matters for the near-term setup. Keep an eye on the stock in the sessions immediately following this drop.
Sources
Mentioned: MPC