Among the biggest losers, Shenzhen-traded Shandong SunPaper sank to a three-year closing low of 5.03 yuan on Thursday, before edging up 0.01 yuan on Friday.
Now he faces open revolt from journalists on the Sun, the paper which laid the foundations of his media empire with its "soaraway" success in the 1970s.
Earlier this week members of LulzSec and the larger hacker group Anonymous defaced the website of the News Corp-owned paper The Sun in retaliation for the phone-hacking and cover up that took place at its sister paper, the now-defunct News Of The World.