- The pound has taken a plunge amid a split in the U.K.'s ruling political party over whether Britain should leave the European Union.
- Over the weekend, British PM David Cameron announced a historic referendum (set for June 23) to decide whether the U.K. should remain in the bloc, after finalizing a deal with EU leaders to reset Britain's relationship.
- Almost half of the bosses of the FTSE 100 agree with Cameron's 'stay' campaign, but he lost the backing of London Mayor Boris Johnson, who just became the most high profile supporter of a British exit.
- Sterling -2% to $1.4121.
- ETFs: EWU, DXPS, FKU, DBUK, QGBR, UK, HEWU