LSE:DPL 2 May 2026 - 16 June 2026

Diploma PLC share price ends week near 52-week high as UK politics loom
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Diploma PLC share price ends week near 52-week high as UK politics loom

Diploma PLC shares ended a strong week near their 52-week peak, resisting a broader retreat in UK equities as investors continued to back the specialist distribution group’s upgraded earnings outlook. The stock added 65p on Friday to close at 7,200p. The contrast matters. Diploma gained 4.6% during a week in which the FTSE 350 fell roughly 1%, extending a run that has lifted the shares by more than a third since the start of 2026. The market is treating the company’s growth as largely self-generated rather than dependent on a broad industrial recovery.
June 21, 2026
Diploma PLC holds near highs with July update in focus
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Diploma PLC holds near highs with July update in focus

London, June 16, 2026, 11:03 BST. Diploma PLC traded higher Tuesday, topping the FTSE 100. Investors kept buying into the distribution group’s growth story. Hargreaves Lansdown’s late price showed shares up 1.50% at 7,080p/7,085p. The FTSE 100 rose 0.57% at the same point. Diploma shares approached recent highs, valuing the group close to £9.5 billion.
June 16, 2026
Diploma PLC Stock Holds Close to Record as FTSE 100 Steadies and Guidance Hike Stays in Focus
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Diploma PLC Stock Holds Close to Record as FTSE 100 Steadies and Guidance Hike Stays in Focus

Diploma PLC shares picked up 0.4% late Monday in London, with the stock at 7,050 pence as of 15:47 BST, according to delayed data. The move recouped some of Friday's drop and kept Diploma in reach of its 52-week high from last month. Trading ranged from 6,895p to 7,055p. Diploma shares dropped 1.54% to £70.20 on Friday, lagging the FTSE 100, which was up 0.07%. That left the stock trailing the index before a small move higher on Monday, as investors weighed the company’s upgraded profit forecast against a volatile market tape.
June 8, 2026
Diploma Shares Rally After Profit Upgrade
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Diploma Shares Rally After Profit Upgrade

Diploma PLC shares climbed Tuesday, with the FTSE 100 distributor lifting its 2026 outlook for the second time. Demand from aerospace, defence, datacentres and energy customers boosted the numbers. The shares traded up 4.75% to 6,940p at 11:49 BST, after touching 7,090p earlier. The FTSE 100 was trading 0.64% higher at 10,390.27. Diploma shares jumped after the company boosted its full-year organic revenue growth target to 12% from 9%. The group also said new acquisitions are set to add 6% to reported growth. Adjusted operating profit growth is now expected to top 30%, which is a 6% bump from consensus. Investors got more than just a standard beat in the first half.
May 19, 2026
Diploma PLC Nears Year High Before May Results — The Margin Test Investors Can’t Ignore
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Diploma PLC Nears Year High Before May Results — The Margin Test Investors Can’t Ignore

Diploma PLC wrapped up the week just shy of its 12-month peak, tightening the spotlight on its upcoming half-year numbers due May 19. On May 1, AJ Bell listed the FTSE 100 distributor’s shares at 6,950p on the sell side and 6,960p to buy, up 35p, or 0.5%, for the session. The stock touched 6,975p during the day—within reach of its year high at 7,060p. May 19 is circled on the calendar—Diploma releases its first update since bumping up guidance back in March, and this is when investors will see if those demand improvements and margin boosts are holding up into the second half. The company unveils its numbers that day, along with the interim dividend announcement. Looking ahead, a
May 2, 2026