The South Korean technology giant posted stronger-than-expected first-quarter profit, as solid gains in its smartphone segment offset weak earnings at its core semiconductor business.

The South Korean company posted a record quarterly revenue, up 10% from a year earlier, while its first-quarter operating profit climbed 1.5%. First-quarter revenue marginally topped Samsung's forecast of 79 trillion won,

By Hyunjoo Jin, Heekyong Yang and Joyce Lee SEOUL (Reuters) -South Korean technology giant Samsung Electronics warned on Wednesday U.S. tariffs could cut demand for products such as smartphones, making it difficult to predict future performance.