Supermarket chain Sheng Siong on Thursday (Sept 10) announced that it will increase CHAS discounts for blue and orange cardholders from the current 4 per cent to 6 per cent, till Jan 1 next year. Lim Hock Chee, chief executive of Sheng Siong Group, said in a statement that he hopes every small saving can help households with daily expenses. "After providing additional support through the 8 per cent CHAS discount in June, we wanted to continue doing a little more for our customers. "We hope the 6 per cent discount will help them save a little more on their everyday groceries," Lim said. During this period, blue CHAS cardholders can enjoy…