By Heekyong Yang and Joyce Lee SEOUL, Jan 8 (Reuters) - Samsung Electronics on Thursday projected a three-fold jump in fourth-quarter operating profit from a year earlier to a record high as tight supply and a surge in artificial intelligence-driven demand stoked prices for conventional memory chips. The results highlight how ​chip prices have rocketed as chipmakers scramble to keep up with demand for memory chips used in servers, personal computers and mobile devices to meet AI ‌needs. The world's lar ...