Asia-Pacific markets traded mixed as investors look toward private data for China's factory activity in January. Japan's Nikkei 225 added 0.13%, while the Topix added 0.52%. South Korea's Kospi declined over 2.5%, while the small-cap Kosdaq lost as much as 3%. Hong Kong Hang Seng index futures were at 27,330, below the benchmark's last close of 27,387.11. Australia's S&P/ASX 200 declined 0.57%. Investors will continue monitoring gold and silver prices after Friday's sharp declines . Silver,