Bloomberg Shares in European airlines slid after most of Europe closed its airspace to carriers from Russia, which reciprocated with its own bans. A Bloomberg gauge of European airlines dropped as much as 4.8%. In the broader market, the biggest decliners included British Airways-parent IAG SA, Deutsche Lufthansa AG and Air France-KLM. Smaller peer Finnair Oyj, which faces a wipeout …

  Bloomberg Russian markets were paralysed and traders struggled to price the ruble as international sanctions shook the country’s financial system. The Russian currency lost a third of its value in offshore trading at one point and hit an all-time low of 109.185 per dollar in Moscow. Quotes were infrequent and volatile at the start of the session, and traders …

  Bloomberg Saudi Arabia’s state oil company discovered five new natural gas fields across the kingdom that can produce over 100 million cubic feet per day in total, as the oil-rich kingdom looks to boost production of the fuel. The fields, discovered by Saudi Aramco, are located in the country’s central region, the empty quarter desert, the northern border region …