AmerisourceBergen sets $1 billion stock buyback program AmerisourceBergen Corp. said Wednesday that it set a new $1 billion stock repurchase program. That represents 3.1% of the pharmaceutical and health care products company''s market capitalization of $32.42 billion at Tuesday''s stock closing price. As of May 31, the company said it had $321 million remaining from the buyback program it set in May 2020. The company also reiterated its fiscal 2022 guidance for earnings per share of $10.80 to $11.05, which compares with the current FactSet consensus of $10.93. The stock, which is still inactive in premarket trading, has rallied 16.5% year to date, while the SP 500 has declined 13.3%. Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on this news.