TOKYO: Shares in Japan's Sony plunged Wednesday, ending down nearly 13 percent after Microsoft announced a landmark $69 billion deal to buy US gaming giant Activision Blizzard.

Tokyo shares down at break as Sony, Toyota plunge

The move, which will make Microsoft the third-largest gaming company by revenue behind Tencent and Sony, sent the Japanese entertainment and electronics conglomerate down 12.78% to 12,410 yen by market close in Tokyo.