Marathon Petroleum stock heads into the open after a 5.5% drop
Published on 09/22/2026 at 04:33 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Marathon Petroleum stock closed at about USD 402 on the NYSE on September 21, 2026, down roughly 5.5% from the previous session in a broad market rally.
According to Economic Times, the shares finished around USD 401.64 with a decline of about 5.47%, while major indices ended sharply higher.
September 21, 2026 in numbers
Marathon Petroleum Corp. (ISIN US56585A1025, NYSE: MPC) saw its share price retreat to approximately USD 402 at the close on September 21, 2026, compared with a previous close near USD 397.77 earlier in the month per data from Barrons, implying a one-day drop of roughly 5.5 percent against the prior session on the NYSE.
As Economic Times reported, the S&P 500 closed higher on September 21, 2026 and Marathon Petroleum was listed among the top losers, with its percentage decline contrasting with gains of roughly 1.5 percent for the index that day.
In a separate wrap, GuruFocus noted that Marathon Petroleum shares fell about 5.3 percent to USD 402.38 on September 21, 2026, and highlighted valuation concerns relative to its GF Value measure.
Today’s factors for Marathon Petroleum stock
Looking at today, September 22, 2026, the next US trading session follows a day in which refining stocks broadly pulled back even as the market advanced, with Quiver Quantitative attributing the move largely to a sector-wide pause rather than new company-specific negatives.
Quiver Quantitative also summarized recent analyst activity around Marathon Petroleum, pointing out that several firms have updated price targets over the last six months, with a median target near USD 275, which may frame how investors interpret the stock’s recent rise to the low-400-USD area ahead of today’s open.
More broadly, valuation commentary from GuruFocus on September 21, 2026 highlighted that Marathon Petroleum’s recent closing price around USD 424.89 earlier in the week was viewed as significantly above its GF Value estimate, which may continue to influence sentiment as trading resumes today.
