Phillips 66 (PSX) Drops Nearly 6% in One Session, Erasing Billions
As seen on the 24/7 Wall St. homepage on October 27, 2026.
A 5.72% slide to $269.89 takes roughly $6 billion off a $108.2 billion refiner in one session, a rare single-day drawdown for a name this size. Keep an eye on whether it holds the $270 line into the close.
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Phillips 66 sold off steadily from the open to close at $269.89, a nearly 5.7% decline that counts as a meaningful drawdown for a refiner of this scale.
The stock fell from the open and spent the bulk of the session grinding lower, briefly finding footing near $270 before dipping under that level multiple times in the afternoon.
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A move of this size in a single session strips roughly $6 billion in market value, erosion that institutional holders rebalancing around round-number price thresholds will not ignore.
The $270 level is the line to watch into the close, tested repeatedly in the afternoon without a decisive break lower, the clearest near-term signal of whether buyers step in or sellers retain control.
Sources
Mentioned: PSX