KUALA LUMPUR (Nov 7): Kumpulan Powernet Bhd's share price rose as much as 22 sen or 15.94% to RM1.60 today before paring losses, after independent adviser Mercury Securities Sdn Bhd told minority shareholders to accept the RM1-a-share takeover offer from Serba Dinamik Holdings Bhd group managing director and chief executive officer Datuk Dr Mohd Abdul Karim Abdullah.