Malaysian shares extended losses, ending in the red on Tuesday and bucking regional gains. Investors remained cautious as market uncertainties persisted and new catalysts were limited.

The FTSE Bursa Malaysia KLCI, the main gauge of Malaysian stocks, shed 4.02 points to end 0.2% lower at 1,675.50. The day range was between 1,675.04 and 1,687.93.

In local news, Malaysia Semiconductor Industry Association President Wong Siew Hai expects growth in the country's electrical and electronics export market to continue in 2026. In an interview with Bloomberg TV, the nation's chip industry chief said such exports could top 800 billion ringgit this year, up from 711 billion ringgit in 2025 and 601 billion ringgit in 2024.

In corporate news, Tanco (KLSE:TANCO) said it is unaware of any undisclosed corporate developments, rumours, or other factors that could explain the sharp fall in its share price, following a query from Bursa Malaysia over unusual market activity. Shares plunged nearly 29% on Tuesday's close.

Shares of renewable energy and green technology company Cypark Resources (KLSE:CYPARK) gained over 4% after it proposed a private placement of up to 10% of its total shares to third-party investors.

AMMB (KLSE:AMBANK) unit AmBank (M) agreed to acquire Menara AmBank skyscraper and its related assets for 331 million ringgit. Menara AmBank, a 46-story office tower in Kuala Lumpur's Golden Triangle.