Ambitions Enterprise (AHMA) fell 5% in after-hours trading to $2.55. The stock had surged nearly 39% during regular trading on 06/16, when Benzinga flagged it as one of the most volatile communication services stocks of the day. At one point during the session, shares jumped over 69%, capping a five-day rally of more than 120%. No company-level announcements accompanied the move, which analysts attributed to fund-driven trading. After-hours profit-taking pushed the decline wider.