Banking shares were among the gainers in Japan, with Sumitomo Mitsui Financial Group up 2.2%, Mizuho Financial Group up 2.9% and Nomura Holdings 2.8% higher.

WSJ: Latest Euro Hope Helps Asia Markets

According to the bank, staff leaked information about share sales involving energy firm Inpex, Mizuho Financial Group and Tokyo Electric Power in 2010.

BBC: Nomura told to bolster controls after trading flaws

The giant Mizuho financial group, for instance, which brings together the house banks of three keiretsu (corporate groups), contains plenty of affiliated life insurers and non-life companies, whose fate is still uncertain.

ECONOMIST: Japanese insurers

Consumer and small-business loans would account for roughly 60% of the merged bank's domestic total, about the same as at Mizuho and Sumitomo Mitsui Financial Group, the other big-four bank.

ECONOMIST: Will a mega-merger mark the end of Japan's banking crisis?

The Raine Group LLC and Mizuho Securities Co.

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The group on the euro-denominated issue includes Barclays, Credit Agricole, Mizuho, and Nomura.

FORBES: Dish, Sprint Bonds Fall In Trading As Rival To Softbank Takeover Plan Surfaces

As reported, Deutsche Bank is global coordinator, leading a bookrunning group on the dollar tranche of Bank of America, Barclays, Credit Agricole, Mizuho, Morgan Stanley, and Nomura.

FORBES: Dish, Sprint Bonds Fall In Trading As Rival To Softbank Takeover Plan Surfaces