Profits in March were 13% higher than in February. Banks' corporate loan portfolio rose by 1.5% month-on-month in March, the central bank said. Banks bought 130 billion roubles of the government's OFZ treasury bonds that were auctioned in March, the central bank said.
($1 = 81.5205 roubles) (Reporting by Elena Fabrichnaya. Writing By Marina Bobrova and Alexander Marrow, Editing by Angus MacSwan)