UK stocks opened higher on Friday after President Trump sparked a rally in the dollar by claiming that he would prefer it to strengthen, benefiting British exporters and multinationals.
At 0856, the benchmark FTSE 100 was up 28.94 points, or 0.4%, at 7,644.78, on what was a relatively quiet day for company announcements.
National Grid and Shire, which both have significant US operations, where among top large-cap gainers, rising 1.5% and 1.4%, respectively.
Drug company AstraZeneca pushed higher after announcing that a study had shown a treatment for chronic obstructive pulmonary disease had caused an improvement in patients' conditions. Its shares gained 0.3%.
easyHotel, meanwhile, said it had acquired a leasehold in Milton Keynes to develop a 124-bedroom facility, expected to open mid-2019 at a total cost of around £8.7m. Its shares were unchanged.
Air filtration equipment provider MayAir Group added 3.1% after announcing that it had agreed to be acquired by Poly Glorious Investment Company for £50m in cash.
Precision instrument provider Spectris said it had completed the acquisition of drug development group Concept Life Sciences for £163m. Its shares tacked on 0.3%.
Ingenta, which provides content services to the publishing industry, jumped 19% after reporting further margin, revenue and profit improvements.
Scientific Digital Imaging also rose 19% after the company doubled its first-half profit by selling more of its technology products to the life sciences, healthcare and astrology industries, while expanding margins.