According to CNBC those that leave their current jobs for another get at least a 7% increase in pay as a minimum vs. those that stay. Given this, it may be time to leave.
Citi should give their people a retention raise. Why continue to punish your tenured staff for being loyal. If you are hiring new staff at a higher salary than your tenured staff then it should be obvious that your peoples wages are behind the salary curve. Stop punishing them for being loyal and give them all a raise.