Data from animal trials on the ability of Pfizer and BioNTech's Covid-19 vaccine to block transmission of the novel coronavirus are "promising", the chairman of the former said.
Johnson&Johnson's Covid-19 vaccine generated a 'promising' immune response, results from from phase one and two clinical trials showed.
Oil related stocks continued to find favour in the middle of the week as investors' focus shifted to the incoming US administration's augmented fiscal stimulus package that was due to be unveiled the next day.
Emergency Use Approval for Johnson&Johnson's Covid-19 vaccine may not arrive before March, potentially a few weeks later than had been hoped for.
Wall Street stocks turned in a mixed performance on Wednesday after the majority of the House of Representatives voted to impeach the President for inciting last week's deadly riot at the Capitol Building.
All eyes on Thursday will be fixated on the incoming US President's proposal for new government stimulus.
Engineering group IMI was near the top of the leaderboard on Wednesday, boosted by an upgrade out of Credit Suisse from 'neutral' to 'outperform'.
European shares were slightly higher on Wednesday, with merger news involving French supermarket giant Carrefour countering negative sentiment around tightening Covid restrictions on the Continent and rapidly rising case counts in Spain and Ireland.
London stocks had slipped into negative territory by the close on Wednesday, with investors sifting through a raft of corporate updates amid ongoing concerns about the Covid-19 crisis.
People already struggling with poverty and those with the lowest wages have been worst hit by the pandemic said the Joseph Rowntree Foundation in its latest report.
Uber Technologies on Wednesday appealed a $59m fine by a California regulator in a dispute over data regarding sexual assault claims.
Debenhams revealed that six of its stores were set to close on account of the novel coronavirus pandemic.
Analysts at Berenberg raised their target price on mining company Kenmare Resources from 390. 0p to 460. 0p on Wednesday after the group's fourth-quarter earnings topped estimates.
Fireangel Safety Technology revealed on Wednesday that non-executive director Graham Whitworth had acquired 76,144 ordinary shares in the AIM-listed home safety products group.
Mineral and Financial Investments announced on Wednesday that Redcorp Empreendimentos Mineiros, its 75%-owned subsidiary, has received results from the first three holes of a seven-hole drill programme.
Intel Corp shares surged on Wednesday after the company said chief executive officer Bob Swan will step down on 15 February and be succeeded by VMWare boss Pat Gelsinger.
London’s FTSE 100 was down 0. 1% at 6,750. 71 in afternoon trade on Wednesday.
Natural resources and power project developer Oracle Power said on Wednesday that it has completed the processing and interpretation of the available magnetic and induced polarisation (IP) geophysical datasets across the Northern Zone Gold Project, east of Kalgoorlie in Western Australia.
Restaurant chain Pizza Express warned on Wednesday that its future would be "in doubt" if Covid-19 lockdown measures were to continue.
Wall Street stocks opened slightly higher on Wednesday as the House of Representatives prepared to vote on impeaching the President for a second time.