<ul data-eligibleForWebStory="false">Santander to acquire TSB, reaffirming commitment to the UK market.Speculation arose over Santander exiting high street banking earlier this year.Reeves navigates challenges, pushing for growth and competition in the financial sector.Santander's takeover may secure its position against competition, potentially impacting TSB staff.TSB's history, staff, and branches face uncertainty post-Santander takeover decision.