* Shares plunge to 21-year low
(Adds shares, background, analyst comments)
* Company evaluating NGP supply chain as demand hit
(Recasts, adds analyst comments, details on Australian
Britain's mid-cap share index fell by its most in six weeks on Wednesday, weighed down by uncertainty over Brexit as parliament reconvened after a court ruling against the prime minister.
London's FTSE 100 index slipped on Monday as weak German economic data weighed on banking shares, offsetting a surge in travel operators and airlines after the collapse of the world's oldest travel firm Thomas Cook.
London's FTSE 100 fell on Monday as the pound ploughed ahead after unexpectedly robust economic data and as no-deal Brexit worries tempered, leaving internationally-focussed stocks in the dumps.
London's FTSE 100 slipped on Thursday as a surge in sterling pushed exporter stocks lower, missing out on a global rally led by growing hopes of a resolution to the U.S.-China trade dispute.
Gains in mining companies after nickel prices hit an all-time high and signs of a resumption of U.S.-China trade talks lifted London's FTSE 100 on Friday, as the index snapped a four-week losing streak.
London's main index jumped on Thursday as China's fresh comments on possibly resolving the long-drawn trade spat with the United States lifted investor spirits, while exporter stocks gained as sterling fell after the suspension of parliament raised concerns of a no-deal Brexit.
London's main share index handed back its early gains to end lower on Friday after U.S. President Donald Trump's tweeted "order" that U.S. companies shut operations in China, which dragged internationally exposed miners and banks into the red.
London's FTSE 100 fell on Thursday as the latest signals from the U.S. Federal Reserve dampened hopes of hefty interest rate cuts, while exporter stocks slipped as the pound rose after German Chancellor Angela Merkel's comments on the Brexit deal.