South Korean stocks traded nearly flat late Wednesday morning as investors sat on the sidelines over uncertainties surrounding the U.S. Fed's rate policy.

The benchmark Korea Composite Stock Price Index added 1.22 points, or 0.06 percent, to 1,964.80 as of 11:20 a.m.

Tech shares traded mixed, with Samsung Electronics rising 0.31 percent. Top chipmaker SK hynix slid 1.14 percent, and LG Electronics shed 1.81 percent to 54,200 won.

Mobile carriers were also mixed, with SK Telecom losing 0.86 percent while No. 2 KT edged up 0.35 percent. LG Uplus, the smallest player, fell 3.77 percent.

The local currency was changing hands at 1,173.80 as of 11:20 a.m., down 3.40 won against the greenback from Tuesday's close. (Yonhap)