Weekly round-up of the latest corporate announcements, including a secondary offer by Summit Therapeutics plc, a possible reverse takeover by Fandango Holdings plc, capital reorganisations by ASA International Group plc and Intercontinental Group plc, returns of value by Intercontinental Group plc and XLMedia plc, joint ventures between GlaxoSmithKline plc and Pfizer Inc. and between Panthera Resources plc and Galactic Gold Mines Private Limited, a delisting of Akers Biosciences Inc., a related party transaction by GlaxoSmithKline plc, and 4 AGM notices.