Hanoi, Oct. 13 -- The consumer price index (CPI) in Bac Ninh city rose 4.07% year-on-year in the first nine months of 2026, with housing and construction materials, education and transport recording the sharpest increases, according to the municipal Statistics Office. In September alone, the city's CPI rose 1.02% month-on-month, led by transport prices, which climbed 3.7%, and education costs, up 3.69%. Prices of housing and utilities, beverages and tobacco, food and catering services, and other goods and services increased by 0.35% to 1%. In the first nine months, price movements varied across commodity and service groups. Housing, electricity, water, fuel and construction materials saw the largest year-on-year increase of 7.24%, followe...