[File Photo: IC]

With the second day of the policy meeting underway, the central bank again had to inject funds into the US financial market amid a cash crunch that threatened to push short-term interest rates to break out of the Fed's target range.

US Federal Reserve Chairman Jerome Powell has sent strong signals in recent weeks that a rate cut is coming, vowing that policymakers stand ready to "act as appropriate" amid "significant risks" to the economy -- notably President Donald Trump's trade wars.

The decision is due at 1800 GMT, but in his press conference following the announcement Powell likely will be asked to explain the moves by the New York Federal Reserve Bank to pump funds to the market for the first time in more than a decade.

The last time was at the start of the 2008 financial crisis.

The New York Fed on Wednesday stepped into markets but unlike the so-called repo operation on Tuesday, when only $53 billion was used of the $75 billion offered, the latest operation was short of the $80 billion requested.

The aim is to keep the overnight lending rate in the Fed's target range of 2.0 to 2.25 percent.

Liquidity on short-term financing markets began to dry up due to a host of conditions, including a surge in Treasury debt issues from accelerated government borrowing and quarterly corporate tax payments.

Banks can meet the Fed's cash reserve requirements by borrowing, using the repurchase agreements in which short-term loans are collateralized with assets such as Treasury bills or mortgage-backed securities.

Economist Jim O'Sullivan of High Frequency Economics said the cash crunch was "related to the timing of Treasury issuance and quarterly tax payments."

He cautioned that the pressures "are likely to be more frequent as the amount of bank reserves keeps shrinking and Treasury borrowing keeps rising."

As a result, "calls for the Fed to introduce a standing repo facility are likely to increase," O'Sullivan said in an analysis.