MARKET REPORT

Japan Inflation Breach and Indonesia's 11% Rout Split Asia Trading

Chipmaker shares rebounded across the region on October 15 even as Indonesia's market slumped roughly 11% and Singapore exports jumped 68.4%.

Executive takeaway

Most Asian stocks rose as chipmakers recovered from the CoreWeave-driven shock, but Indonesia fell about 11% and faces a possible market downgrade, while Japan's core inflation likely topped the Bank of Japan's target for the first time since December.

Newsroom graphic
Indonesia plunges as rest of Asia recovers. While Japan and Hong Kong shares steadied as chipmaker fears eased, Indonesia's market cratered roughly 11%, illustrating the split described in the story.

Indonesia plunges as rest of Asia recovers

While Japan and Hong Kong shares steadied as chipmaker fears eased, Indonesia's market cratered roughly 11%, illustrating the split described in the story.

Live index prices for Jakarta Composite, Nikkei 225, and Hang Seng, tracking the October 15 divergence reported by Investing.com.

Use this chart

Free to embed with attribution:

<figure><a href="https://www.indy.finance/news/japan-inflation-breach-and-indonesia-s-11-rout-split-asia-trading"><img src="https://www.indy.finance/news/japan-inflation-breach-and-indonesia-s-11-rout-split-asia-trading/graphic.svg" alt="Indonesia plunges as rest of Asia recovers" width="1200" height="675"></a><figcaption>Indonesia plunges as rest of Asia recovers — <a href="https://www.indy.finance/news/japan-inflation-breach-and-indonesia-s-11-rout-split-asia-trading">Indy Finance</a></figcaption></figure>
Asian equities were mixed in the October 15 session. Chipmaker shares rebounded after the prior scare tied to CoreWeave's financing troubles, helping most regional indexes recover. Indonesia was the exception: its stock market slumped around 11% and now faces the prospect of a market downgrade, according to Investing.com reporting. In Japan, core inflation data pointed to a reading above the Bank of Japan's target for the first time since December, a signal that could complicate the central bank's path on interest rates. Separately, Singapore reported non-oil exports jumped 68.4% in September, far bigger than expected, a sign that at least part of the region's trade engine is still running hot despite the volatility in equity markets. The divergence — chip-sector calm returning, Indonesia selling off hard, Japan's inflation running above target — leaves the regional picture unsettled heading into the next session.
What would change this view

This reading would be undercut if Indonesia's index stabilizes without a formal downgrade, or if Japan's official CPI release does not confirm core inflation above the BOJ's target.

Wire sources cited

Produced automatically by the INDY NEWS Desk from the public wire sources cited above, and checked against them before publication. Market commentary, not investment advice.