 Signature Bank SBNY, 7.57 shares jumped 8 on Tuesday after the financial company said its crypto currency deposit exposure to bankrupt digital money broker FTX amounts to less than 0.1 of its total deposits as of Nov. 14. The update reveals the resiliency of the digital deposit franchise and is much stronger than the markets worst case scenario in wake of FTX turmoil, Jefferies analyst Casey Haire said in a research note. 