Samsung Electronics shares fell more than 5% in early trading on Monday after the South Korean chipmaker said last week that shareholder returns this year could reach up to 110 trillion won ($79.38 billion). The shares were down 5.2% by 0013 GMT, while peer chipmaker SK Hynix rose 2.4% and the benchmark KOSPI index fell 0.7%. The exchange rate was $1 to 1,385.7800 won.