Tokyo shares opened higher Monday, maintaining the momentum after global rallies fuelled by robust risk appetite among foreign investors, and optimism over the swift development of coronavirus vaccines. The Nikkei 225 added 125.84 points or 0.47 percent to 26,770.55 in early trade while the broader Topix index edged up 0.01 percent or 0.12 points to 1,786.64. hih/sah/axn