The central bank has also raised interest rates six times in the last year, though with little effect.

The central bank has raised rates 10 times over the past 14 months.

Bank of America raised its prime rate to 9 percent.

Germany's central bank raised its two key interest rates to their highest levels since 1948.

To keep growth in check and inflation down, the central bank raised interest rates.

Since then, banks have raised new capital by stock sales.

And some are even wondering if the central bank will raise rates at all this year.

The central bank has raised its benchmark interest rate in recent months to a high of 26.5 percent.

Since that study, some banks have raised the minimum to 4 percent.

All told, the banks raised almost $4 billion for those three partnerships.