Jan 29 (Reuters) - Shares ​of ‌PicPay, controlled ‌by the billionaire ⁠Batista ‌family, jumped ‍2.6% in their Nasdaq ​debut ‌on Thursday, valuing the Brazilian ⁠digital ​bank ​at $2.53 billion. (Reporting by Ateev ‍Bhandari ⁠in Bengaluru; ⁠Editing by ‌Shilpi ‌Majumdar)