 In a drive for efficiency, Weinstock made cut-backs and instigated mergers, resulting in new growth for the company.GEC returned to profit and the financial markets' confidence was restored.In the late 1960s, the electrical industry was revolutionised as GEC acquired Associated Electrical Industries (AEI) in 1967, which encompassed Metropolitan-Vickers, British Thomson-Houston (BTH), Edison Swan, Elliott Brothers, Siemens Brothers & Co, Hotpoint, W.T.