Dhaka, Nov. 19 -- The revised margin rules have diminished the dominance of speculative stocks in the secondary market as they lost the status as marginable securities.

The Bangladesh Securities and Exchange Commission (Margin) Rules 2025 came into effect on November 6. Before that, market manipulators could create an artificial demand for such securities with margin loans, driving abnormal rallies on the bourses.

There is little scope for that now.

The stocks of Orion Infusion, Khan Brothers PP Woven Bag Industries Ltd. (KBPPWBIL), Anwar Galvanizing, Simtex Industries, and Taufika Foods and Lovello Ice-cream have been experiencing corrections.

On October 27, Orion Infusion topped the chart of turnover leaders, with a transaction valu...