SEOUL, South Korea (AP) — Asian stocks were mostly higher in range-bound trade on Tuesday after Wall Street closed mixed, while Asian tech shares mirrored losses in U.S. peers overnight. [...] a fading external demand boost from earlier in the year may be gaining some attention, Mizuho Bank said in a commentary. Some Asian tech shares tracked the sector's losses on Wall Street overnight. Investors will pay attention to upcoming remarks by central bankers around the world but do not expect major revelations on monetary policies. Benchmark U.S.