GlaxoSmithKline said its treatment for Covid-19 was effective in treating all tested variants of the virus including key mutations of the Omicron strain.
London stocks were set to fall at the open on Thursday after US stocks reversed early losses to end sharply lower overnight.
Manchester-based online publisher LadBible Group is set to target a valuation of £360m in one of the London stock market's biggest media industry flotations this year, according to media reports.