This is a groundbreaking for Wall Street, banking and finance, citigroup is leading by example by adding diversity to the top of the firm when our country is crying out for this more than ever before. History has been made today.

Mike Mayo

This is the sort of environment that Jamie Dimon and JPMorgan live for: sluggishness in the environment, competitors feeling pain.

While an activist is an outside shot, increased shareholder press... by Mike Mayo

While an activist is an outside shot, increased shareholder pressure seems likely.

BNY Mellon is the plumber to mutual funds and capital markets, there are a couple of broken pipes, but it doesn't seem like a systemwide issue ... It might not be evidence, but this is a reminder that BNY needs to further upgrade its technology platform.

Earnings should be less dramatic than they were a couple years ag... by Mike Mayo

Earnings should be less dramatic than they were a couple years ago, which is a positive development.

Every day she gets a grade from shareholders, and that's the stock price, and every day that she's been in the role, the verdict is Citigroup is worth more dead than alive.

You're creating your own unlevel playing field if you are working from home while your competition is out seeing clients face-to-face, the banking industry certainly seems intent on getting employees back to the office. But it's much more pronounced on Wall Street, where the degree of competition has always been several levels above the rest.

The timing was unexpected. You don't expect to change a CEO in the middle of a crisis.