TOP TIERMARKET NEWSWIRE
Movers explained · September 13, 2026

Why Is MURPHY USA INC (MUSA) Stock Moving Today?

By the Top Tier Newswire AI Desk · August 25, 2026 at 3:58 PM ET · reviewed against 0 wire stories

MURPHY USA INC (MUSA) is drawing unusual attention today.

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Why MUSA stock is down today

Murphy USA Inc stock fell 4.11% to $544.58 in afternoon trade, marking a sharp decline amid a broader selloff in the session. The drop came despite the company recently reporting strong quarterly results and a raised dividend. The stock opened with a modest 0.5% gap down and continued to decline throughout the session, hitting a low of $544.48 before stabilizing slightly in the final minutes.

What Happened

The stock’s decline followed news that Murphy USA will partner with Automated Retail Technologies to trial automated White Castle kiosks in select large-format stores. This development, while potentially innovative, appears to have triggered a reevaluation by investors. The move introduces a new operational dimension for Murphy USA, which may raise questions about resource allocation and focus on core retail and fuel operations. The stock has been volatile in recent weeks, having printed one 52-week high and 14 52-week lows on August 25. Meanwhile, recent insider transactions have shown a pattern of selling, with four separate sales totaling $3.9 million in the last 90 days.

What The Data Shows

Intraday data shows the stock opened at $564.85 and traded as high as $570.93 at the market’s open before declining steadily. Volume has reached 0.1 million shares, which is 0.4 times the 3-month average. The stock has declined 4.7% over the past eight sessions, moving from $572.53 to $545.70. With a market cap of $10.5 billion and a P/E ratio of 17.3, the stock remains relatively expensive compared to its earnings. The company has a beta of 0.28, indicating low volatility relative to the broader market.

What To Watch

Investors will need to monitor the company’s next earnings release for further guidance, though none is scheduled in the near term. The stock’s recent insider selling and the mixed market reaction to the White Castle partnership suggest that coverage and sentiment could shift quickly in the coming days.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

MUSA by the numbers

7 sessions: -0.51%Mkt cap: $10.5BP/E: 17.352w: $349.83 to $636.04
MUSA · Aug 25 session (5-min) · -4.15% vs prior close · updated 8:47 PM ET
$543$558$573prev close $567.90$544.317:00 AM10:00 AM1:00 PM4:00 PM7:00 PM7:00 AM · $567.107:05 AM · $566.817:55 AM · $566.018:05 AM · $565.998:10 AM · $565.518:45 AM · $563.488:50 AM · $564.018:55 AM · $561.109:00 AM · $566.009:10 AM · $562.519:15 AM · $563.309:30 AM · $570.939:35 AM · $554.019:40 AM · $551.989:45 AM · $553.059:50 AM · $551.859:55 AM · $551.0310:00 AM · $550.2710:05 AM · $554.4610:10 AM · $546.6810:15 AM · $547.9010:20 AM · $549.5810:25 AM · $547.4210:30 AM · $548.7210:35 AM · $548.6510:40 AM · $548.2710:45 AM · $547.3310:50 AM · $545.5410:55 AM · $546.0011:00 AM · $549.1011:05 AM · $547.8011:10 AM · $547.4511:15 AM · $548.7011:20 AM · $547.9111:25 AM · $546.1511:30 AM · $545.8711:35 AM · $545.4111:40 AM · $545.7511:45 AM · $545.9311:50 AM · $546.8811:55 AM · $546.4712:00 PM · $546.5012:05 PM · $547.9512:10 PM · $547.8912:15 PM · $549.0512:20 PM · $549.2512:25 PM · $549.6512:30 PM · $549.9612:35 PM · $550.5712:40 PM · $550.1312:45 PM · $549.1012:50 PM · $547.1612:55 PM · $547.411:00 PM · $546.011:05 PM · $545.931:10 PM · $546.161:15 PM · $545.941:20 PM · $546.391:25 PM · $545.841:30 PM · $544.491:35 PM · $545.851:40 PM · $545.941:45 PM · $545.631:50 PM · $545.871:55 PM · $546.092:00 PM · $545.752:05 PM · $546.352:10 PM · $545.742:15 PM · $545.702:20 PM · $546.962:25 PM · $547.412:30 PM · $547.472:35 PM · $548.022:40 PM · $548.322:45 PM · $547.002:50 PM · $546.932:55 PM · $546.023:00 PM · $546.263:05 PM · $546.173:10 PM · $546.363:15 PM · $546.263:20 PM · $546.433:25 PM · $546.463:30 PM · $547.823:35 PM · $546.153:40 PM · $545.963:45 PM · $545.793:50 PM · $545.923:55 PM · $544.574:00 PM · $544.314:10 PM · $544.316:30 PM · $544.317:00 PM · $544.31

The headlines behind the move

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More on MUSA: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier MUSA move explainers: 2026-08-25