Tokyo  - Tokyo stocks opened higher Wednesday but gains were limited due to lingering economic concerns.

The Nikkei 225 Stock Average gained 68.11 points, or 0.81 per cent, to 8,482.02.

The broader Topix index of all First Section issues was also up 11.29 points, or 1.39 per cent, to 825.41.

On the currency markets at 9 am (0000 GMT), the dollar was quoted at 89.35-40 yen, up from Tuesday's 5 pm quote of 89.25-28 yen.

The euro was quoted at 1.3193-98 dollars, down from Tuesday's 5 pm quote of 1.3271-74 dollars, and at 117.92-97 yen, down from 118.47-51 yen. (dpa)