Samsung signage during the Nvidia GPU Technology Conference (GTC) in San Jose, California, US, on Thursday, March 20, 2025.David Paul Morris | Bloomberg | Getty ImagesSamsung Electronics on Thursday reported a second-quarter operating profit of 4.7 trillion Korean won that missed expectations, weighed by U.S. export restrictions on advanced AI chips to China.While Samsung's second-quarter operating profit beat its own forecast of around 4.6 trillion won, it was a steep drop from the 10.44 trilli...