BYD Electronic's stock plummeted 5.01% during intraday trading on Friday. The sharp decline reflects mounting investor concerns over the company's near-term financial outlook combined with a broad sell-off across the communications equipment sector.

According to recent market analysis, BYD Electronic is facing short-term profit pressure, although its liquid cooling business is reportedly on the verge of scaling up. This fundamental concern was exacerbated by recent fund flow data showing southbound capital reduced its holdings by approximately 1.27 million shares earlier in the week, indicating near-term weakness in investor sentiment toward the stock.

The selling pressure was not isolated to BYD Electronic. The broader Communications Equipment sector experienced significant weakness, with major peers including YOFC, CIG, and ZTE also recording substantial declines. This sector-wide downturn further weighed on market sentiment and contributed to the stock's pronounced intraday drop.