Bloomberg Investors schooled in the diplomatic ups and downs between Qatar and other Arab nations say there’s no reason for panic. The Gulf nation’s equities plummeted the most since 2009 as four Arab nations push to isolate Qatar for its ties to Iran. If history is any guide, the tensions won’t have a lasting impact on the country’s financial assets. …

Bloomberg The speculative frenzy in bitcoin is spilling over into the Tokyo Stock Exchange. Remixpoint Co., Infoteria Corp. and Fisco Ltd., have all seen volatile swings in their share prices after announcing businesses related to digital currencies. Remixpoint, which has more than doubled since tying up with Peach Aviation Ltd. to let customers pay for tickets with bitcoin, fell as …

Bloomberg Qatari banks, already stretched by financing demands of the $200 billion 2022 World Cup, took a head-on blow from its neighbours’ abrupt decision to cut economic and diplomatic ties. At risk are the foreign deposits-especially from the six-nation Gulf Cooperation Council-that have helped sustain institutions like Qatar National Bank QPSC, the region’s largest by assets, and Doha Bank QSC. …