The U.S. Treasury issued additional sanctions today on Iran-trade linked vessels and ship mgmt companies. Tankers are jumping in mid day trading. $FRO $NAT $TEN $TRMD $BWET $STNG $TNK $DHT $INSW $ASC $ECO $HAFNI Learn more: https://t.co/oBE09i5WTI https://t.co/4wJOnnnRuM.