Down 13.56% intraday: 5304.T Sec Carbon, Limited (JPX) JPY 2619.00, watch JPY 2600

Intraday, the 5304.T stock (Sec Carbon, Limited on JPX) plunged -13.56% to JPY 2619.00 on heavy trade, making it one of the top losers on 21 Mar 2026. The drop came after an open at JPY 2980.00 and a trading range between JPY 2602.00 and JPY 2980.00, with volume at 359,500 shares versus an average of 54,987. Investors should watch support near JPY 2600.00 and the company’s next earnings date on 2026-05-20, as short-term momentum and sector flows are driving the move.