主题：【原创】国际大事件析赏 -- 颜子

The BoJ drained 600 billion yen (US$5.0 billion) from the money market - the same amount it had injected on Monday as part of a series of moves by central banks to pump billions of dollars into the financial system.

The BoJ's earlier injections of funds were "more a symbolic move to show it is cooperating with the Fed and the ECB," said Shigeru Nakane, senior client manager at Resona Bank.

He said Japan's central bank may also have removed the funds to prepare for another hike in interest rates later this month.

BoJ governor Toshihiko Fukui has made clear he wants to gradually raise borrowing costs, which 0.5 percent are by far the lowest of the world's major economies, but recent market turmoil has made it harder to justify a rate hike.

Analysts said it was uncertain whether the BoJ would opt for a rate rise next week, particularly in light of some soft recent economic data.

"It is not impossible for the BoJ to go ahead with a rate increase, but I think the market's consensus is for no hike," JP Morgan's Adachi said.