Freya Beamish, economist at Lombard Street Research, says the Bank of Japan is uncomfortable with the yen's status as a safe-haven asset in markets.
Bank of Japan Governor Haruhiko Kuroda said the central bank can expand asset purchases further or cut rates deeper into negative territory if needed.
Bank of Japan policymakers agreed in December that the broad price trend was improving steadily, minutes of their rate review showed.
Derek Halpenny, European head of global markets research at Bank of Tokyo-Mitsubishi, discusses the Bank of Japan’s recent decision to cut interest rates into negative territory.
Simon Male, head of Asian equities at Auerbach Grayson, says weak demand for credit is a problem for Asia.
Monetary policy in the U.S. will be tighter even if the Fed does not raise interest rates this year, Art Cashin of UBS says.
Annette Beacher from TD Securities, says that the dollar/yen rally will fade because the actual practicality of the BOJ's negative rates policy is minimal.
Chris Konstantinos from RiverFront Investment Group says the more a central bank can shock and awe markets, the more powerful their stimulus can potentially be.
Wayne Gordon from UBS Wealth Management, says the BOJ governor Haruhiko Kuroda played the markets well for the past few months.
BOJ's Friday decision underlines its commitment to reach its 2 percent inflation targets and the limitations of its policy toolkit, says Omar Slim from PineBridge Investments.
Tai Hui from JPMorgan Asset Management, says the Fed is moving against the grain of global central banks who are asing monetary policy.
The BOJ move last Friday signals that policymakers want to keep the yen weak to support reflation, says Tai Hui, chief Asia market strategist at JPMorgan Asset Management.
The BOJ meant to surprise markets as the weaker yen is crucial to the success of Abenomics, explains Ursina Kubli, economist and FX strategist at Bank J. Safra Sarasin.
Andrew Freris, CEO of Ecognosis Advisory, identifies three reasons why BOJ's negative rates move last Friday won't help Abenomics.
Japanese firms are already sitting on plenty of cash and even if banks succeed in lending more, the growth effect would not be immediate, explains Jay Nelson, senior editor at Success Stories Japan.
King Lip, CIO of Baker Avenue Asset Management, discusses the positive impact of BOJ's negative rates decision on global equities.
U.S. stocks closed sharply higher on the last trading day of January, after the Bank of Japan unexpectedly adopted a negative interest rate policy.
Aberdeen Asset Management's Ralph Bassett and PNC Asset Management CIO Jim Dunigan discuss the BOJ's rate cut with CNBC Contributor Ron Insana.
CNBC's Seema Mody and the FMHR traders explain why the Bank of Japan moved to negative interest rates and how to profit from it.
CNBC Pro searched for the big winners and losers if the yen fades against the dollar on the Bank of Japan's negative interest rate announcement.