The US expanded the list Russian businesses to be subjected to sanctions because Moscow's support for separatists in Eastern Ukraine, the US Treasury Department said.
Almost all the largest banks with state ownership of over 50 percent were affected, including the Bank of Moscow and the Russian Agriculture Bank.
The sanctions limits the dealings US citizens and companies can have with them.
Sanctions have also been imposed on a shipbuilding company based in St. Petersburg. Any assets held in the US have been frozen and American companies have been prohibited from dealing with them.
More top news
The presenter's former bandmate failed to impress the judges with his rendition of OneRepublic's Counting Stars.
Girl group 4th Power, a twerking grandmother and a skiving dental receptionist were among the contestants hoping to be the next big thing.
Rain expected in the next 24 hours - no surprise there with it being a Bank Holiday - but there'll also be some brighter skies in places.