EghtesadOnline: The fallout from Monday’s shock move by four U.S. Arab allies to isolate Qatar over its ties to Iran was felt across the region on Monday, as flights were canceled and Qatari stocks plunged the most since 2009.

EghtesadOnline: Investors in Qatari stocks, bonds and currency forwards were unexpectedly saddled with losses this week as the country was thrust into the epicenter of an unprecedented spat with its neighbors.

EghtesadOnline: As an unprecedented diplomatic crisis spreads through the Gulf with Qatar at its center, one thing is certain: the country’s stock market has become the world’s most volatile.

EghtesadOnline: The rally in Qatar’s stock market may have been too strong for its own good.