Asia’s acrylonitrile (ACN) prices are set to rise further if ongoing supply constraints fail to ease soon. SEE MORE Polybutadiene rubber (PBR) prices in Asia may face downward pressure from waning demand and cheaper natural rubber (NR) amid uncertainty stoked by the global stock market turmoil. SEE MORE The Vietnamese plastic industry gained a total export value of over US$3 billion last year, a year-on-year increase of 17.3%, according to the Vietnam Plastic Association (VPA). SEE MORE Vietnam currently ranks third globally in natural rubber production and export, according to the Vietnam Rubber Association. SEE MORE London nickel fell sharply on Tuesday, leading the base metals complex lower as "risk off" sentiment soured share markets and safe-haven buying lifted the dollar. SEE MORE