Apple Inc.'s (NASDAQ: AAPL) key Asian partners saw shares retreat on Monday after President Trump threatened to impose a 25% tariff on all imported iPhones and extend levies to every smartphone entering the U.S. The move reignited concerns over potential cost pressures and supply-chain disruption.

Supplier Stocks Under Pressure

• AAC Technologies (OTC: AACAY) fell 1% in Hong Kong.

• Lens Technology (SZ:300433), Goertek (SZ:002241) and Luxshare Precision (SZ:002475) each slid up to 1%.

• TSMC (TW:2330) and Hon Hai Precision (TW:2317) in Taiwan also retreated.

• In Tokyo, Japan Display (TYO:6740) and Sharp (TYO:6753) dipped.

• Samsung Electronics (KS:005930) bucked the trend, rising 0.5% despite being named in Trump's broader smartphone tariff threat.

Apple itself dropped 3% on Friday, mirroring the sell-off among its component makers.

Why It Matters for Investors

With Apple shifting some iPhone assembly to India, questions remain whether tariff threats will materialize or be postponed again—Trump pushed EU smartphone levies out to July 9 after earlier delays. For real-time tracking of how the Tech sector performs during such geopolitical shocks, the Sector Historical API provides multi-year index data, highlighting past volatility patterns around trade-policy announcements.

Assessing Supplier Exposure

Asian suppliers derive a significant portion of revenue from Apple contracts. To quantify this reliance, investors can examine detailed segment breakdowns via the Revenue Product Segmentation API, which reveals how much each supplier earns from smartphone components versus other lines of business.