And Marissa Mayer got a generally good response for Yahoo's deal to take over Tumblr. Sure, Wall Street had some questions about how the blogging site will ultimately make money for the Internet oldie, but the sense was hey, at least the Yahoo CEO was doing something.
"She's following the right script," said Mark Mahaney of RBC Capital Markets.
Of course, the tide can turn quickly. Dimon could find another Whale in the closet. Apple is only as good as its next i-Thingy. And Mayer's honeymoon will eventually end. Indeed, it wasn't so long ago that JCPenney's Ron Johnson flamed out.
But for now, high-profile CEOs are on a roll.