NamCheong (SGX:1MZ) saw its shares plummet 3.55% during intraday trading on Monday, as investors reacted to concerns about the sustainability of the company's exceptionally high profit margins.

The sharp decline followed the release of the company's Q1 2026 results, which showed a net margin near 54% - an unusually high figure for industrial businesses. However, analysts raised red flags about earnings quality, noting that a high share of these profits is non-cash. This has led to scrutiny about how much of the recent RM335.7 million in net income will convert into actual cash over time.

Adding to investor concerns is the forecast that earnings are expected to decline by about 12.7% per year over the coming years, even as revenue is projected to grow around 13.35% annually. This disconnect between top-line growth and bottom-line expectations, coupled with the stock trading above its discounted cash flow fair value, contributed to the selling pressure during the session.