New Delhi, May 4 -- The Fear of 13 is a new play on Broadway starring Adrien Brody about a man wrongly imprisoned for murder. Brody's character passes his time learning new words, including "triskaidekaphobia," the fear of the number 13.

A few miles away at Citigroup headquarters in lower Manhattan, employees may be all too familiar with triskaidekaphobia, as the long-beleaguered bank works through its 13th restructuring. The previous 12, the blunt-spoken Wells Fargo analyst Mike Mayo notes, "failed."

Not to disabuse a Wall Street truism, but this time might be different. Indeed, Mayo has had an Overweight rating on the stock since 2018, and at $130, Citi shares finally trade above their book value. And don't look now, but Citi's stock ...