Suzhou TFC Optical Communication (300394.SZ) stock in focus as China tightens margin rules and broker note flags “AI optics” shift
Suzhou TFC Optical Communication shares closed up 2.2% at 198 yuan ahead of Monday’s open, following a broker note highlighting demand for optical components in AI data centers. New rules raising minimum margin requirements for fresh financing contracts take effect Jan. 19, increasing cash needed for leveraged trades. Two TFC executives completed a share sale of 80,000 shares by Jan. 12. Traders are watching if TFC can hold gains under tighter margin rules.