Samsung Electronics posts 22% jump in Q1 net profit

South Korean tech giant Samsung Electronics reported a better-than-expected 21.7 percent rise in first-quarter net profit on Wednesday as consumers rushed to buy smartphones under the looming threat of US tariffs. The world's largest memory chipmaker reported net profit of 8.22 trillion won ($5.75 billion) for the January-March quarter, up 21.7 percent on-year.