A board showing the rouble's exchange rate against the US dollar. The Russian currency has tanked under a wave of US and EU economic sanctions. Reuters
A board showing the rouble's exchange rate against the US dollar. The Russian currency has tanked under a wave of US and EU economic sanctions. Reuters

Business

Economy

Moody's places ratings of 51 Russian companies on review for downgrade as war escalates

Rating action reflects the negative implications for Russia's credit profile as sanctions are imposed, rating agency says