Samsung Electronics estimated on Friday a more than 10-fold rise in its first-quarter operating profit, as rebounding semiconductor prices lifted earnings from a low base a year ago when there was a severe downturn in chip demand. The world's largest memory chip and TV maker estimated its operating profit rose to a better-than-expected 6.6 trillion won ($4.89 billion) in the quarter ended March 31. That was up 931% from 640 billion won a year earlier, the South Korean firm said in a short... Read this story