StockMarketWire.com - UK stocks edged only slightly higher on Monday as investors grappled with ongoing Brexit uncertainty and lingering trade tension between the US and China.

At 0858, the benchmark FTSE 100 index had risen 2.99 points to 7.429.20.

Pharmaceutical giant GlaxoSmithKline added 1.7% to 1,754.4p after it reported positive trial results for separate treatments for ovarian cancer, and head and neck squamous cell carcinoma.

Rival pharmaceutical company AstraZeneca shed 1.8% to 7,251p despite it reporting positive trial results for separate treatments for ovarian cancer and lung cancer.

Shell gained 0.3% to 2,416.5p after the oil giant introduced new quarterly production updates, which, for the third quarter, included a forecast of between 2.60m and 2.65m barrels of oil equivalent per day.

Residential landlord Grainger added 0.2% to 247.6p on announcing that it would forward fund a 284-home private rented sector development in Sheffield for £42m.

Mining company Polymetal International fell 1.6% to 1,130p, even as it released a new resource update at its Viksha platinum-group metals deposit in Russia that confirmed its potential as a large open-pit project.

Television content producer Zinc Media slumped 19% to 0.27p as it posted a full-year loss, after it had to outsource some post production work due to stretched in-house resources.

Latin American oil and gas play Echo Energy gained 6.7% to 3.2p after it reported a widened loss for the first half of 2019, owing to lower realised oil price and restructuring costs.

Pesticides group Plant Health Care fell 3.4% to 6.5p as it posted a narrower first-half loss after it cut back on R&D and marketing expenses, amid a fall in sales.

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