The lender's board Thursday approved selling new shares listed in Shanghai and Hong Kong.
Valuation gaps between shares listed in Hong Kong and Shanghai have narrowed in anticipation (see chart).
Its shares listed in London rose even higher, up about 9.1 percent at 398.02 pence each.
BlackBerry shares listed in the United States plunged 17.1 percent to $8.73.
But so far, they have been limited largely to shares listed on Nasdaq.
Nutanix's shares, listed on Nasdaq under the ticker symbol NTNX, will begin trading on Friday.
The short interest was equal to 1.4percentt of the shares listed on the Big Board.
Tesco has 8.1bn shares listed, suggesting the claim could be for billions of pounds.
The price of Couche-Tard's B shares, listed in Toronto, has doubled this year.
Mr. Takayama said that despite the disclosure, he hoped to keep Olympus's shares listed on the Tokyo Stock Exchange.
There are now 208 shares listed on the Neuer Markt, with a new stock listed, on average, every other day.
