TOKYO, May 17 Reuters Japanese shares erased early gains and edged down on Monday, as worries about slowpaced domestic vaccination rollouts weighed on sentiment, with index heavyweights including Tokyo Electron Ltd leading declines.
The Nikkei share average lost 1.18 to 27,753.83 by 0235 GMT, after rising as much as 0.8 earlier in the session, while the broader Topix edged down 0.36 to 1,876.62.
Japanese tech shares could have tracked Nasdaqs higher today but they didnt. That means the market has negative reasons that are unique to Japan, said Norihiro Fujito, chief investment strategist, Mitsubishi UFJ Morgan Stanley Securities.
The biggest reason is slow rollouts of vaccines. That weighs on business sentiment, which prompted investors to sell the Nikkeis heavyweights.
Chipmaking equipment maker supplier Tokyo Electron fell 3.68, becoming the biggest drag on Nikkei.
Other heavyweights also lost ground, with SoftBank Group losing 1.13 and Fast Retailing, operator of Uniqlo clothing stores, down 1.9.
On Friday, Japan expanded a state of emergency to three more prefectures in a surprise move that reflects growing concern about the spread of the coronavirus.
While medical resources are being pushed to the brink, Japans inoculation drive has been the slowest among advanced nations, with just 3 of the population vaccinated, according to Reuters data.
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