Asia Pacific stocks ended session mixed as speculation heightened Greece may exit from the single European currency, countering China’s efforts to shore up economic growth by cutting the level of cash banks must set aside as reserves.

Nikkei  8,973.84 +20.53 +0.23%

S&P/ASX  4,297 +11.93 +0.28%

Hang Seng 19,742.39 -222.24 -1.11%

Shanghai Composite 2,380.73 -14.26 -0.60%

Shares of China Longyuan Power tumbled 11% after saying it plans to issue no more than 1.36 billion new H- shares, representing as much as 50 percent of total issued shares.
Shares of NCsoft Corp., an online-game maker, dropped 11%. Its rival Blizzard Entertainment, plans to launch its Diablo III game tomorrow.
Shares of NGK Insulators Ltd., a ceramic maker, jumped 8.1% after the Nikkei newspaper said the company plans to resume sodium-battery production as early as July.
Shares of Westgold Resources Ltd., an Australian goldminer, surged 17% in Sydney after saying it will merge with a tin and nickel miner Metals X Ltd., which dropped 8.1%.