# Taiwan Semiconductor Manufacturing Co.'s shares rose after regulators eased the limit on how much funds can invest in a single stock.

*semiconductor · news · 2026-04-24 · MarketScreener*

## Key points

- Taiwan regulators raised the investment cap for funds in single stocks from 10% to 25%.
- TSMC is currently the only company qualifying for the new market weight investment rule.
- TSMC's market cap now exceeds 40% of Taiwan's entire stock market capitalization.
- TSMC shares surged 4.3% and boosted the Taiex index by 2.7% after the rule change.

**Companies:** Taiwan Semiconductor Manufacturing Co., MediaTek, UniMicron Technology
**Countries:** Taiwan

[Read the full story on MarketScreener](https://www.marketscreener.com/news/tsmc-shares-rise-after-taiwan-eases-limits-on-funds-investments-ce7f59ded18df021)

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