** Shares of Hengyi Petrochemical Co Ltd SZSE:000703 jump 10% to 8.21 yuan, their highest level since April 2023, and on fourth consecutive session of gains
** The China-based petrochemical and chemical fiber products producer said its controlling shareholder plans to raise stake in the company for 1.5-2.5 bln yuan ($212.12-353.53 mln)
** YTD, stock up 30.6%, benchmark CSI 300 Index SZSE:399300 up 15.4%