Cigna abandons pursuit of Humana, plans $10 billion share buyback ReutersCigna Calls Off Humana Pursuit, Plans Big Stock Buyback - WSJ The Wall Street JournalCigna, Humana scrap merger talks; Cigna planning major stock buyback (NYSE:CI) Seeking AlphaCigna calls off reported pursuit of Humana AxiosCigna Plans $10 Billion Buyback After Calling Off Humana Talks Bloomberg
