How a Taiwan electronics firm’s subsidiary became Thailand’s largest listed company

[BANGKOK] On Dec 30, the last day of trading for the Stock Exchange of Thailand (SET) in 2022, a piece of history was created.

That was the day the share price of Delta Electronics (Thailand) touched a then all-time high of 876 baht (S$35.10).

This was an increase of over 154 baht from the previous day’s close, and turned Delta – an exporter and manufacturer of power supplies and electronic components – into the largest listed company in Thailand for the day with a market capitalisation of more than 1.09 trillion baht.

The share price went even higher in the new year, reaching 930 baht on Jan 3. The stock was trading at 914 baht on Tuesday morning (Jan 24).

The question that many traders and analysts wanted to know was how a Taiwanese subsidiary ended up becoming one of the top three listed companies on the SET, alongside the other market cap leaders such as national petroleum company PTT an…

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