Skip to main content
MPC
NYSE Energy & Transportation

MPC Refinery Suffers FCC Trip, 23-Hour Flaring; Company Sued Over AI Pricing

Tom Rudovsky · Reported by Wiseek News
More coverage: Oil & Gas Stocks · Energy
Sentiment info
Negative
Importance info
8
Price
$247.99
Mkt Cap
$72.193B
52W Low
$158
52W High
$272.46
52W Position info
57% above low
Off High info
9.0% below high
Rel. Volume info
0.8× avg
Market data snapshot near publication time

MPC sits 57% above its 52-week low of $158.

Summary

Marathon Petroleum's Galveston Bay refinery experienced an unexpected trip and shutdown of its Fluid Catalytic Cracking (FCC) unit, resulting in at least 23 hours of flaring and emissions. This operational disruption follows other recent incidents at the same refinery, including an equipment upset in April and a small fire in June. Separately, the company is facing a lawsuit in California alleging the use of AI to influence gasoline pump prices. The FCC unit outage will likely impact production and could lead to environmental penalties, while the AI pricing lawsuit introduces a new legal and reputational risk that could have significant financial implications.

At the time of this announcement, MPC was trading at $247.99 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $72.2B. The 52-week trading range was $158.00 to $272.46. This news item was assessed with negative market sentiment and an importance score of 8 out of 10. Source: Wiseek News.


Price Chart

Share this article

Copied!

MPC - Latest Insights

MPC
Aug 04, 2026, 11:59 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $309.87
Real-time Price: $300.00 info
Change: -$9.87 (-3%) info
Market Cap: $84.037B info
MPC
Aug 04, 2026, 6:50 AM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $314.00
Real-time Price: $300.00 info
Change: -$14.00 (-4%) info
Market Cap: $84.037B info
MPC
Aug 04, 2026, 6:49 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $314.00
Real-time Price: $300.00 info
Change: -$14.00 (-4%) info
Market Cap: $84.037B info
MPC
Aug 02, 2026, 8:57 PM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $319.85
Real-time Price: $300.00 info
Change: -$19.85 (-6%) info
Market Cap: $84.037B info
MPC
Jul 23, 2026, 6:13 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $325.00
Real-time Price: $300.00 info
Change: -$25.00 (-8%) info
Market Cap: $84.037B info