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cailianshe news, september 4 (editor: ma lan)japanese and south korean stock markets showed signs of sharp volatility today, appearing to follow wall street's decline on tuesday.

as of press time, japan's main stock index, the topix, fell 3.27%; the nikkei 225 has fallen by more than 4%.

at the same time, south korean stocks also showed a general decline. the south korean kospi index opened down 2.29% today and has now expanded to 2.7%; the small-cap kosdaq fell nearly 3%.

asian markets opened weak today, with australia's s&p/asx 200 index down 0.91% and taiwan's tpe x50 index down more than 1%. the market is waiting to see if there will be more declines today, and whether the "black monday" a month ago will be repeated.

us recession fears

this time, the unusual movement of japanese and korean stocks is related to the weak manufacturing data released by the united states yesterday. in august, the us ism manufacturing index was below the boom-bust line for the fifth month, exacerbating market concerns about the us economic recession.

the panic sentiment was reflected in the closing of the u.s. stock market yesterday, with the three major indexes collectively closing down and all recording their largest single-day declines since august 6. the nasdaq's decline was particularly deep, reaching 3.26%.

in addition to the negative news about the us manufacturing industry, the “first ai stock”nvidiathe stock price plunged more than 9% yesterday, directly dragging down the performance of the entire chip industry. the chip fund vaneck semiconductor etf (smh) fell 7.5%, the largest single-day drop since march 2020.

according to media reports, nvidia received a subpoena from the u.s. department of justice yesterday, involving an antitrust investigation in the field of artificial intelligence computing. this move means that the u.s. government has taken another step towards formally suing nvidia.

investors are now watching the spillover effects of the nvidia sell-off in asia, especially nvidia suppliers -tsmc, sk hynix and samsung electronics' next performance.

as of now, tsmc's stock price has risen slightly and remained stable; but sk hynix's stock price has fallen by more than 7%, and samsung electronics' stock price has also fallen by nearly 3%.