TOKYO, Nov 5 (Reuters) - Japan's Nikkei share average

fell more than 2% on Wednesday to touch a one-week low as

high-flying technology stocks tracked Wall Street's sharp

declines overnight.

As of 0025 GMT, the Nikkei was down 2% at

50,463.01, hitting its lowest since last Wednesday.

The broader Topix fell 1.1% 3,274.

U.S. stocks closed sharply lower on Tuesday as big banks

warned that equity markets could be headed for a drawdown,

reflecting mounting concerns over stretched valuations.

In Japan, technology investor SoftBank Group fell

9.4%. Chip-testing equipment maker Advantest ( ADTTF ) lost 7%.

Optical fibre maker Fujikura ( FKURF ), which provides

materials for AI-data centres, lost 5.65%.

Uniqlo-brand owner Fast Retailing ( FRCOF ), however, gained

2.2%.