TOKYO (MarketWatch) -- Japanese stocks traded near the previous day's levels Tuesday morning in Tokyo, weighed down by weakness on Wall Street, but shares Sumitomo Mitsui Financial Group Inc. [s:smfnf] climbed 2.4% after it posted a hefty rise in its net income for the April-December period. The Nikkei 225 fell 0.1% to 9,942.25 while the Topix lost less than 0.1% to 882.54. Among the...