The phrase "a key interest of" is correct and usable in written English.
It can be used to indicate something that is of significant importance or concern to someone or a group.
Example: "Environmental sustainability is a key interest of our organization as we strive to promote green practices."
Alternatives: "a primary concern of" or "a major focus of".
It goes to the culture and the structure of banks: the excessive compensation, the shoddy treatment of customers, the deceitful manipulation of a key interest rate, and today, news of yet another mis-selling scandal".
Their witness was a government investigator called to lay out details of an inquiry into the alleged rigging of a key interest rate by a group of brokers, who faced up to 20 years in prison.
Federal authorities cast further doubt on Tuesday about the integrity of a key interest rate that is the subject of a growing investigation into wrongdoing at big banks around the globe.
"What I've done is take a key interest in the history of the Celts as a major thoroughfare of focus," McKennitt told The Huffington Post in a phone interview.
They are expected to announce that they will hold a key interest rate steady because of uncertainties about the economy.
The Federal Reserve's policy-making committee was unanimous in its decision to raise a key interest rate by a quarter of a point in February, minutes of the meeting showed today.
But with the continuing investigation into banks' manipulation of a key interest rate — the London interbank offered rate, or Libor — the risks were high that Mr. Tucker might be caught up in the scandal once again.
Deutsche Bank will pay $2.5 billion to an array of New York, U.S. and British regulators to settle a long-running investigation into alleged manipulation of a key interest rate benchmark known as Libor.
To brace the economy, the Fed has slashed a key interest rate to a record low of near zero.
