Amazon.com Inc (NASDAQ:AMZN) has announced that it will lay off hundreds of employees at its One Medical and Pharmacy units as part of a major cost-cutting initiative. What Happened: These layoffs are part of a significant cost-saving drive intending to save One Medical $100 million, as reported by a Business Insider on Tuesday. The layoffs are taking place within Amazon’s healthcare units, which include One Medical and Amazon Pharmacy. The layoffs will affect a “few hundred roles,” confirmed an Amazon spokesperson. The total number of job cuts is still uncertain, with estimates ranging from 1…