British device maker Halma's shares slump on slower annual growth forecast

June 11, 2026 4:52 AM EDT

June 11 (Reuters) - British ‌health and ​safety ​device maker Halma forecast organic constant-currency revenue growth for fiscal 2027 at a ‌slower rate than the previous year, sending ⁠its shares down nearly 15% on Thursday.

Here are a ‌few details:

• The company ‌expects to deliver low double-digit percentage organic revenue growth in constant currency for the 12-month period ​through March 2027, compared with 16% organic growth in fiscal 2026.

• Halma's growth has ⁠been driven by its photonics business, which uses light-based technology in ​sensors and monitoring systems, including for data centres, due to demand fuelled by the ​rapid expansion of AI.

• ‌The company's outlook includes growth of around five percentage points from the photonics ⁠business, which JP Morgan analysts said would likely disappoint investors.

• Halma's outlook suggested a deceleration in revenue ⁠growth for both the photonics business and the rest ​of the group, Morningstar analyst Matthew Donen said.

• Shares in FTSE 100-listed Halma were trading lower at 3,962 pence, ‌as of 0825 GMT, making them the biggest laggards in the blue-chip ‌index.

• For the year ended March 31, the ⁠company's adjusted pretax profit ‌rose 23% to £564.5 ​million ($755.2 million).

($1 = £0.7474)

(Reporting by Neeshita Beura in Bengaluru; Editing by Rashmi Aich and Sherry ‌Jacob-Phillips)



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