S&P 500 Top 25 Monthly Performers May 2026
      
CompanySectorMonthly Change2026 Change12 Month ChangeEnding Value
   
LyondellBasell Industries NVProcess Industries40.06%86.05%14.43%$80.56
APA CorporationEnergy Minerals39.74%73.51%101.90%$42.44
Dow, Inc.Process Industries35.54%78.14%19.27%$41.65
CF Industries Holdings, Inc.Process Industries30.44%67.88%66.14%$129.84
Marathon PetroleumEnergy Minerals23.19%50.14%67.60%$244.18
Occidental PetroleumEnergy Minerals22.46%58.07%31.69%$65.00
Valero Energy CorporationEnergy Minerals20.74%51.78%87.08%$247.08
Phillips 66Energy Minerals18.05%41.18%47.54%$182.18
Akamai Technologies, Inc.Technology Services16.73%31.63%42.67%$114.85
EOG Resources, Inc.Energy Minerals16.51%37.67%12.73%$144.57
ConocoPhillipsEnergy Minerals16.34%41.01%25.69%$132.00
Devon Energy CorporationEnergy Minerals15.60%37.37%34.55%$50.32
Coterra Energy Inc.Energy Minerals14.87%33.51%21.59%$35.14
Diamondback Energy, Inc.Energy Minerals13.62%31.57%23.71%$197.79
Exxon Mobil CorporationEnergy Minerals11.25%40.98%42.66%$169.66
Hewlett Packard Enterprise Co.Electronic Technology10.90%-0.87%54.31%$23.81
Dell Technologies, Inc. Class CElectronic Technology10.84%30.39%80.07%$164.13
Chevron CorporationEnergy Minerals10.78%35.75%23.68%$206.90
ONEOK, Inc.Industrial Services9.21%22.98%-8.90%$90.39
VeriSign, Inc.Technology Services8.96%2.23%-2.17%$248.36
Halliburton CompanyIndustrial Services8.31%37.97%53.69%$38.99
Palo Alto Networks, Inc.Technology Services7.66%-12.96%-6.05%$160.32
Expedia Group, Inc.Consumer Services7.05%-18.50%37.35%$230.89
Palantir Technologies Inc.Technology Services6.63%-17.70%73.32%$146.28
F5, Inc.Technology Services6.62%13.35%8.66%$289.33
      
*Data provided by FactSet unless otherwise stated as of May 29, 2026, 4:30 PM EST.
* This information has been prepared by Desmond Rubie, BCom, FCSI®, CIM®, CFP®, who is a Wealth Advisor for iA Private Wealth Inc. and does not necessarily reflect the opinion of iA Private Wealth. The information contained in this post comes from sources we believe reliable, but we cannot guarantee its accuracy or reliability. The opinions expressed are based on an analysis and interpretation dating from the date of publication and are subject to change without notice. Furthermore, they do not constitute an offer or solicitation to buy or sell any of the securities mentioned. The information contained herein may not apply to all types of investors. iA Private Wealth Inc. is a member of the Canadian Investor Protection Fund and the Canadian Investment Regulatory Organization. iA Private Wealth is a trademark and a business name under which iA Private Wealth Inc. operates.
*Insurance products are provided through iA Private Wealth Insurance, which is a trade name of PPI Management Inc. Only products and services offered through iA Private Wealth Inc. are covered by the Canadian Investor
 Protection Fund.  



 
Desmond Rubie, BCom, FCSI®, CIM®, CFP®
Wealth Advisor
Rubie Wealth Management Group | iA Private Wealth
Insurance Advisor | iA Private Wealth Insurance*
26 Wellington Street East, 2nd Floor, Toronto, ON M5E 1S2

Direct: 416-203-2228
Office: 416-203-2226 
Desmond.Rubie@iaprivatewealth.ca 
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* iA Private Wealth Inc. is a member of the Canadian Investor Protection Fund and the Canadian Investment Regulatory Organization. iA Private Wealth is a trademark and business name under which iA Private Wealth Inc. operates.  * Insurance products are provided through iA Private Wealth Insurance, which is a trade name of PPI Management Inc. Only products and services offered through iA Private Wealth Inc. are covered by the Canadian Investor Protection Fund.
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