While firms around the world embrace a four-day week, Samsung is going in the opposite direction: The $374 billion tech giant is mandating a six-day workweek for all of its executives in a bid to “inject a sense of crisis” among workers and raise its bottom line. Execs at the South Korean company will have the option of pulling overtime either on a Saturday or Sunday, starting as early as this week, Korea Economic Daily reports. “Considering that performance of our major units, including Samsun...