New Delhi, Aug. 20 -- Asian shares retreated on Wednesday, tracking a decline on Wall Street led by technology shares including Nvidia and other stars that have been riding the mania surrounding artificial-intelligence.

Benchmarks fell in Japan, South Korea and Taiwan, pulled lower by selling of computer chip makers.

Tokyo's benchmark Nikkei 225 declined 1.7% to 42,787.28.

Japan reported its exports fell slightly more than expected in July, pressured by higher tariffs on goods shipped to the U.S.

Computer-chip equipment makers Advantest plunged 6.6% and Disco Corp. dropped 4.7%. Chip maker Tokyo Electron lost 1.9%. and Lasertec Corp. lost 1.8%.

The Taiex in Taiwan fell 2.4% after chip maker TSMC dropped 3.8%.

Hong Kong's Hang Seng s...