Japan Post Holdings Co is planning to invest about $2.6 billion in Aflac Inc , aiming to become the largest shareholder in the U.S. insurer, a person familiar with the matter said.

Credit Suisse plans to buy back 2 to 3 billion Swiss francs ($2-3 billion) of shares over the next two years and raise its dividend, voicing confidence that its strategy is working after a painful three-year restructuring.

Danske Bank's pension unit Danica has divested the Swedish part of its business to a private equity consortium for around 2.6 billion Swedish crowns ($288 million), the lender said on Tuesday.

Billionaire global investor Warren Buffett's Berkshire Hathaway Inc is looking to pick up a 10 percent stake in Kotak Mahindra Bank Ltd , according to a media report on Friday, a plan the Indian bank said it was unaware of.

Martin Sorrell's S4 Capital has agreed to buy San Francisco-based programmatic ad firm MightyHive for an enterprise value of $150 million, funded by the issue of new shares worth 74 million pounds ($94 million).

Martin Sorrell's new company S4 Capital said on Monday it was in advanced talks to buy MightyHive, a San Francisco-based programmatic advertising group that partners with major brands.

Russia's second-largest lender VTB bank does not rule out increasing its stake in Russian food retailer Magnit , TASS news agency quoted VTB First Deputy CEO Yuri Soloviev as saying in an interview published on Friday.

Telecoms and cable group Altice Europe on Friday said its French unit had agreed to sell a 49.99 percent stake in its SFR FTTH fiber optic business to three investment funds for 1.8 billion euros ($2.05 billion), sending its shares soaring.

Mergers and acquisitions targeting Hong Kong financial firms have slumped this year, with insurance sector deals particularly hard hit, as China's moves to tighten capital controls and crack down on corporate debt have driven mainland buyers away.

Greece's third-largest lender Eurobank agreed a 780 million euro ($886 million) deal to buy Grivalia Properties to boost the bank's capital and speed up the reduction of bad loans, sending both shares sharply higher.