The Shanghai Composite Index may open lower on Friday after gaining more than 90 points over three sessions to close at 3,900.35. The index added 21.92 points or 0.57 percent on Thursday, while the Shenzhen Composite Index edged up 1.54 points to 2,539.10. Global cues are soft as U.S. markets fell ahead of the monthly jobs report, with the Dow dropping 464.02 points and crude oil spiking 2.81 percent to $77.33 per barrel after attacks on Saudi tankers in the Red Sea.
