Shares of Cal-Comp Electronics (Thailand) Public Company Limited (SET: CCET) experienced a sharp decline during the morning session on Tuesday, May 26, 2026, falling by 6%. This downward movement followed a regulatory announcement by the Stock Exchange of Thailand (SET) regarding heightened trading restrictions.
The SET officially placed CCET under Market Surveillance Tier 1, effective from May 26 to June 15, 2026. Under this measure, investors are required to trade using a Cash Balance account, meaning they must have the full amount of cash available in their account before purchasing the stock. Additionally, the stock is prohibited from being used to calculate credit limits for trading.
The regulatory intervention came after CCET was included in the Trading Alert List at the market close on May 25, 2026. The SET noted that the company’s stock price and trading volume had deviated significantly from normal market conditions. The exchange is currently awaiting a formal clarification from the company regarding these fluctuations.
Prior to the 6% drop on Tuesday, CCET had seen a period of intense trading activity and substantial price gains:
- May 25: +15.09%
- May 22: +17.78%
- May 21: +4.65%
- May 20: +8.40%
During this four-day period, the stock maintained a high level of liquidity, with an average trading value of 2,775 million baht.
The SET emphasized that these measures are part of its market surveillance protocol designed to encourage more cautious investment behavior and ensure appropriate protection for investors during periods of unusual volatility.
