Iranian President Hassan Rouhani announced on Tuesday that the country will begin injecting gas into centrifuges in another clear violation of the 2015 nuclear pact.
The focus on Wednesday is likely to continue to be on the news-flow around the ongoing US-China trade talks.
The UK government on Tuesday delayed its decision on whether to allow the takeover of defence firm Cobham by US private equity firm Advent International.
Shares in Chesapeake Energy slid on Tuesday after it reported a wider-than-expected third quarter loss following declines in revenues and production.
European stocks finished slightly higher on Tuesday as disappointing corporate updates from the likes of Pandora and Siemens Gamesa overshadowed growing optimism over a US-China trade deal.
London stocks edged higher on Tuesday as continued hopes of a Sino-US trade deal boosted the mining sector, but gains were unspectacular as investors mulled the latest reading on the services sector.
London's FTSE 100 was up 0. 1% at 7,378. 05 in afternoon trade on Tuesday.
Commuters and holiday travellers in south London, Surrey and much of southern England could be in for a difficult December, as South Western Railway staff announced their intention to walk out for a month from 2 December on Tuesday.
New car registrations in the UK fell by 6. 7% in October as economic and political uncertainty continued to impact confidence, according to data released on Tuesday by the Society of Motor Manufacturers and Traders (SMMT).
America's Secretary of the Navy warned on Tuesday that the “fragile” supply chain for military warships could lead to a dependency on Russian and Chinese companies for critical components.
Internet gambing software developer and supplier GAN updated the market on its trading for the four months ended 31 October on Tuesday, and updated its outlook for the full year ending 31 December.
Conveyancing and financial intermediary platform provider ULS Technology updated the market on its trading on Tuesday, ahead of its half-year results for the six months ended 30 September.
London's second-tier was 0. 35% higher at 20,230. 47 in afternoon trade on Tuesday, with Rank Group and William Hill leading the index lower.
Botox maker Allergan, which is being taken over in a $63bn blockbuster deal, has upped its full-year guidance after posting a forecast-beating set of third-quarter numbers.
British satellite maker Inmarsat has rejected a call from one its biggest shareholders to delay its $3. 4bn takeover.
Filta was under the cosh on Tuesday after the commercial kitchen services provider said earnings for the second half were set to be in line with the first due to delays and extra costs.
Upstream oil and gas company Andalas Energy and Power updated the market on its operations on the Betun Selo KSO on Tuesday, in which it has a production interest further to the agreement announced on 21 June and was currently undertaking a four-well workover programme on the project.
Weekly car and lifestyle competition organiser Best of the Best reported on Tuesday that trading for the six months ended 31 October had been “encouraging”, with the positive momentum it spoke of at its annual general meeting continuing.
Haemodynamic monitoring company Lidco announced on Tuesday that the ‘LiDCOrapidv3’ monitor - its latest cardiac output monitor with non-invasive technology - has been launched in China at the 27th Annual Meeting of the Chinese Society of Anesthesiology in Hangzhou.
Shares of James Fisher and Sons slumped on Tuesday after the marine services provider said it had been hit by a cyber security attack.