UK activist investor Palliser has built a stake in Ajinomoto, urging it to raise prices for its ABF, a key material used to form advanced chipmaking substrates (Yang Jie/Wall Street Journal)

Yang Jie / Wall Street Journal: UK activist investor Palliser has built a stake in Ajinomoto, urging it to raise prices for its ABF, a key material used to form advanced chipmaking substrates — Its shares surged in February and is up over 40% year to date — An activist investor has built a stake in a Japanese company …