The Chinese economy grew 7.7 percent in the October-December period, compared with analysts' estimates of 7.6 percent.
Institutes bought 54.3 billion won, while foreign investors sold 23.2 billion won.
Samsung Electronics and Hyundai Motor rose 1.86 percent and 1 percent, respectively. POSCO and KB Financial dropped.
Kosdaq climbed 0.4 percent to 519.99.
Japan's Nikkei was down 0.59 percent to 15,641.68.
By Lee Kyu-jin, staff reporter
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