CAGAYAN DE ORO CITY—While Northern Mindanao continues to be the dominant economy in Southern Philippines during the first quarter of this year, with a 12.4-percent growth, or P11.65 billion, investments in the region, however, decreased during the first quarter, the National Economic and Development Authority (Neda-10)  office in the region said.

Total investment in the region during the first quarter was only P958.63 million, lower by 6 percent to the same period last year of P1.021 billion...