Shares in UK-listed defence companies saw an increase on Tuesday, fueled by investor optimism that the newly appointed chancellor, John Healey, will prioritize and potentially boost military spending. Healey, who previously served as defence secretary and resigned over budget disputes, is now seen by investors as capable of securing the necessary funds for national security.

Companies like Babcock International, QinetiQ, and BAE Systems experienced stock gains. Brad Greve, CFO of BAE Systems, called Healey's appointment "an inspired choice," highlighting his understanding of defence challenges. Prime Minister Andy Burnham and Healey emphasized their commitment to fiscal discipline, with Healey stating that fiscal credibility is key to economic stability, growth, and national security.

While concerns about overall government spending and potential increases in gilt issuance exist, investors generally view Healey as a centrist with economic experience. The market's reaction has been relatively muted, with gilt yields flat. Analysts suggest Healey may adopt a firm stance on spending, potentially balancing Prime Minister Burnham's approach. The appointment of Healey, who has prior Treasury experience, is seen by some as a positive step for the UK's national security amidst international uncertainties.