In other news
Oil has rebounded slightly from the previous day's sharp selloff, but gains were capped by a gloomy market assessment from the IEA energy watchdog.
British Airways will start offering holiday flights from London Stansted airport, a fourth base in serving the UK capital, putting it in direct competition with Ryanair.
Oil prices may have rebounded off 12-year lows struck last month, but any hope for a broader recovery in the market would be misplaced, says the IEA.
The global oil surplus will be bigger than previously estimated in the first half, increasing the risk of further price losses, as OPEC members bolster production.
European stock markets have steadied at the start of trading after sharp falls the previous session on banking sector worries.
The global stocks rout has intensified with equities in Tokyo sliding the most since August and index futures indicating US stocks will add to declines.
The yen has strengthened past ¥115/$ for the first time in more than a year and Japan’s benchmark 10-year yield fell in an unprecedented decline below zero.
Wall Street stocks have finished sharply lower, joining a European equity rout, as fears of an economic slowdown weighed especially hard on financial and technology shares.