The Samsung exhibition stand features the prominent ''A new era of mobile agentic AI'' slogan by the South Korean company Samsung Electronics.Joan Cros | Nurphoto | Getty ImagesSamsung Electronics on Tuesday reported preliminary second-quarter operating profit of 89.4 trillion won ($58.4 billion), versus 57.2 trillion won in the prior period.Operating profit from the same period a year earlier was 4.7 trillion won.Samsung shares traded nearly 5% lower at Tuesday's open.The tech giant reported revenue for the April-to-June period of 171 trillion won, up from 133.9 trillion won in the previous quarter.The results include deducted one-off expenses for employee bonus provisions following recent labor negotiations, according to analysts. Earlier this year, Samsung agreed to scrap its 1,000% bas