Biotechnology firm Arbutus (NASDAQ:ABUS) — which specializes in virology — announced a major overhaul of its business. It will dramatically cut headcount in an effort to streamline operations and focus on its most promising therapeutic candidates. The Arbutus layoffs will result in a 40% reduction in the company’s workforce. Though steep, ABUS stock gained about 1% in the early afternoon session.According to a MarketWatch report, the notable aspect of the shakeup is that Arbutus “plans to cease all Hepatiti ...