Samsung Electronics on Tuesday projected a 32 per cent rise in third-quarter operating profit from a year earlier, beating analysts’ estimates by far, as demand for conventional memory chips helped offset weaker high-bandwidth memory chip sales. The world’s largest memory chipmaker estimated an operating profit of 12.1 trillion won (US$8.5 billion) for the July-September period, which would mark its highest quarterly profit in more than three years, well above the 10.1 trillion won predicted by...