South Korean electronics giants are bracing for uncertainties across the board, with some leading exporters mapping out belt-tightening plans to address the situation that some have described as grave as the 2008 global financial crisis. Memory chip supplier SK hynix is one of the companies hit hardest by slowing consumer demand and the US-China tech arms race. The memory chip downcycle follows a pileup of order backlogs, and uncertainties are growing in its Chinese operations due to semiconduct