Tiffany floats expansion of Wisconsin’s oil refinery to reduce reliance on Middle East
Published . Updated .
Republican U.S. Rep. Tom Tiffany is encouraging expansion of Wisconsin’s only oil refinery to reduce reliance on the Middle East, but energy experts say it would have little effect on bringing down local gas prices.
Directly affected
- RS Reliance+6.6%
Named in this report.
Indirectly affected
- XOM Exxon Mobil+7.9%
Oil producers earn more when crude prices rise
- CVX Chevron+5.9%
Oil producers earn more when crude prices rise
- OXY Occidental Petroleum+1.1%
Oil producers earn more when crude prices rise
- COP ConocoPhillips+8.5%
Oil producers earn more when crude prices rise
- VLO Valero+11.4%
Refiners' profits move with crude and fuel prices
- MPC Marathon Petroleum+10.2%
Refiners' profits move with crude and fuel prices
- XOP SPDR S&P Oil & Gas Exploration+1.7%
A fund of oil and gas producers
- XLE Energy Select Sector SPDR+3.8%
A fund of energy companies
- USO United States Oil Fund+4.9%
This fund moves with oil prices
- OIH VanEck Oil Services
Oilfield services rise when drilling follows oil prices
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| RS | -1.70% | -0.23% | base | +1.81% | after close | after close | after close |
| XOM | +0.46% | -0.17% | base | +1.94% | after close | after close | after close |
| CVX | -0.70% | -0.41% | base | +1.86% | after close | after close | after close |
| OXY | -0.16% | +0.70% | base | +2.30% | after close | after close | after close |
| COP | +0.58% | +0.19% | base | +3.90% | after close | after close | after close |
| VLO | +4.31% | +1.77% | base | -0.31% | after close | after close | after close |
| MPC | +4.10% | +3.35% | base | +0.38% | after close | after close | after close |
| XOP | +1.81% | +1.64% | base | +2.21% | after close | after close | after close |
| XLE | +0.97% | +0.55% | base | +2.12% | after close | after close | after close |
| USO | -0.46% | -1.11% | base | +3.06% | after close | after close | after close |
| OIH | +1.37% | +2.09% | base | +3.88% | after close | after close | after close |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Market Call
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Tiffany floats expansion of Wisconsin’s oil refinery to reduce reliance on Middle East WPR
Source: WPR
Middle East
| Company | When | Move | Status |
|---|---|---|---|
| COP | that day | +3.90% | still updating |
| COP | three days earlier | +0.19% | final price |
| COP | five days earlier | +0.58% | final price |
| CVX | that day | +1.86% | still updating |
| CVX | three days earlier | -0.41% | final price |
| CVX | five days earlier | -0.70% | final price |
| MPC | that day | +0.38% | still updating |
| MPC | three days earlier | +3.35% | final price |
| MPC | five days earlier | +4.10% | final price |
| OIH | that day | +3.88% | still updating |
| OIH | three days earlier | +2.09% | final price |
| OIH | five days earlier | +1.37% | final price |
| OXY | that day | +2.30% | still updating |
| OXY | three days earlier | +0.70% | final price |
| OXY | five days earlier | -0.16% | final price |
| RS | that day | +1.81% | still updating |
| RS | three days earlier | -0.23% | final price |
| RS | five days earlier | -1.70% | final price |
| USO | that day | +3.06% | still updating |
| USO | three days earlier | -1.11% | final price |
| USO | five days earlier | -0.46% | final price |
| VLO | that day | -0.31% | still updating |
| VLO | three days earlier | +1.77% | final price |
| VLO | five days earlier | +4.31% | final price |
| XLE | that day | +2.12% | still updating |
| XLE | three days earlier | +0.55% | final price |
| XLE | five days earlier | +0.97% | final price |
| XOM | that day | +1.94% | still updating |
| XOM | three days earlier | -0.17% | final price |
| XOM | five days earlier | +0.46% | final price |
| XOP | that day | +2.21% | still updating |
| XOP | three days earlier | +1.64% | final price |
| XOP | five days earlier | +1.81% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Kevin Hern sold ExxonMobil Holdings (XOM) (jointly held), worth $100,001 - $250,000 on 31 Aug 2026. That is 53 days before publication. Filed 25 Sep 2026. View the filing.
- Donald J Trump, an executive branch official, bought ExxonMobil Holdings (XOM), worth $250,001 - $500,000 on 31 Jul 2026. That is 84 days before publication. Filed 22 Sep 2026. View the filing.
- Rep. Kevin Hern sold Chevron (CVX) (jointly held), worth $15,001 - $50,000 on 23 Sep 2026. That is 30 days before publication. Filed 13 Oct 2026. View the filing.
- Rep. Maria Elvira Salazar bought Chevron (CVX), worth $1,001 - $15,000 on 2 Sep 2026. That is 51 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, sold Chevron (CVX), worth $15,001 - $50,000 on 31 Jul 2026. That is 84 days before publication. Filed 22 Sep 2026. View the filing.
- Rep. Michael T. McCaul sold Conocophillips (COP) (held by a spouse), worth $1,001 - $15,000 on 26 Aug 2026. That is 58 days before publication. Filed 14 Oct 2026. View the filing.
- Rep. Michael T. McCaul sold Conocophillips (COP) (held by a spouse), worth $1,001 - $15,000 on 24 Aug 2026. That is 60 days before publication. Filed 14 Oct 2026. View the filing.
- Rep. Michael T. McCaul sold Conocophillips (COP) (held by a spouse), worth $1,001 - $15,000 on 14 Aug 2026. That is 70 days before publication. Filed 14 Oct 2026. View the filing.
- Rep. David J. Taylor sold Marathon Petroleum (MPC), worth $1,001 - $15,000 on 22 Sep 2026. That is 31 days before publication. Filed 1 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
The Middle East count beside this story
Middle East has 0 linked stories in the last 7 days and 0 in the last 30 on the page that also carries “Tiffany floats expansion of Wisconsin’s oil refinery to reduce reliance on Middle East.”
How solid the energy case looks
12 out of 100Price not final
“Tiffany floats expansion of Wisconsin’s oil refinery to reduce reliance on Middle East” scores 12 out of 100. The score uses 1 sources. The price is not final yet.