In July, the S&P/ASX 200 index (ASX: XJO) was on form and pushed higher. This saw the benchmark index rise 2.25% over the month.
But that gain pales in comparison to some that were recorded on the index last month.
For example, here are some of the best-performing ASX 200 shares for July:
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Viva Energy Group Ltd (ASX: VEA)
The Viva Energy share price was the best performer on the ASX 200 index with a 38% gain. Last month, the fuel retailer released its preliminary results for the first half of FY 2026. It revealed that it expects group EBITDA (replacement cost) to be $770 million to $780 million. This is more than double the $305 million it recorded in the prior corresponding period. Viva Energy's CEO, Scott Wyatt, said: "Our strong financial results reflect a substantially improved refining margin environment which has been driven by a regional shortage of oil supply and refining capacity, as well as improving retail sales growth and continuing strength of our commercial businesses. Domestic refining has reduced dependency on international refineries and will continue to play a critical role in maintaining fuel supply security into the future."
AMP Ltd (ASX: AMP)
The AMP share price wasn't far behind with a gain of 33.5% last month. The catalyst for this was the release of its profit guidance for the first half of FY 2026. The financial services company expects underlying net profit after tax to be $170 million to $180 million for the first half. This is being driven by stronger China partnerships and increased investment income.
Perpetual Ltd (ASX: PPT)
The Perpetual share price was on form and charged 22% higher in July. This followed news that the fund manager received and rejected a non-binding indicative proposal from EQT AB worth $21.64 per share. It then went on to receive an improved $22.07 offer from EQT AB later in the month and then a further $22.50 offer on 29 July.
Boss Energy Ltd (ASX: BOE)
The Boss Energy share price was a strong performer and raced 21% higher during the month. Investors were buying the uranium producer's shares following the release of a quarterly update which revealed record production. In addition, Boss Energy delivered on its cost guidance and strengthened its cash position. Boss Energy's CEO, Matthew Dusci, said: "The Company is in a strong financial position, with a balance sheet comprising $207 million in cash and liquid assets. Despite FY26 being a capital-intensive year, we increased our cash position by approximately $13 million and grew our drummed uranium inventory by 172klbs through operating activities."
