But the Japanese government-bond market, where the easing plan calls for added purchases of 7.5 trillion yen per month roughly 3.7 trillion yen more than before is the one most directly affected by the campaign.

WSJ: Rising Japan Bond Yields Underscore BOJ's Challenge

Several major Japanese life insurance companies have said they plan to increase holdings of bonds issued both by the government and Japanese companies this fiscal year.

WSJ: Japan Corporate Bond Issuance Jumps to 3-Year High

But the Japanese government-bond market, where the BOJ's easing plan calls for added purchases of 7.5 trillion yen per month roughly 3.7 trillion yen more than before is the one most directly affected by the campaign.

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