Emerging-Market Stocks Fall on Chips Tariff Threat, Taiwan Probe

Semiconductor stocks sent the emerging-market equity benchmark lower as US President Donald Trump’s threat to raise tariffs on the sector and an investigation into a theft of trade secrets at Taiwan Semiconductor Manufacturing Co. spooked investors. Developing currencies fluctuated.

The MSCI Emerging Markets Index of stocks fell 0.2%, with TSMC’s move signaling a 100% contribution to the gauge’s losses based on its weight. In the currency market, the biggest underperformers were from Asia, while the South African rand and Mexican peso advanced.

Besides TSMC, the stocks index was balanced between gainers and losers. Chinese online-commerce stocks traded higher, led by Tencent Holding Ltd., while Korean chipmakers posted losses.

Investors are reassessing the outlook for EM equities after a seven-month rally, the longest winning streak since 2017. Trump’s tariff measures undermine economic growth in the developing world, with a vast number of countries left without a deal and some like India threatened with punitive levels of duties.

While China’s consumption economy remains weak and geopolitical tensions are dragging on, improved bets for Federal Reserve easing offer a slightly more positive backdrop.

Trading was thin due to the summer holidays across the northern hemisphere. As of 9:13 a.m. London time, trading in the MSCI index was 24% below its 30-day average.

BB stocks

TSMC’s shares fell 2.2% in Taipei, their biggest loss since June 23, after prosecutors arrested six people suspected of stealing trade secrets from the company. That opened an investigation into a potential breach of national security involving a global tech industry linchpin as well as the biggest contributor to EM equity gains this year. Samsung Electronics Co. and SK Hynix Inc. posted declines of at least 1.6% each in Seoul.