There's only one place in the world to be an investment banker

American investment banks are dominating.

After US banks across Wall Street reported strong third-quarter results, some analysts questioned whether the uptick in revenues was a result of healthier markets or US banks gaining more market share.

Now the results are in from their European rivals and the picture is pretty clear - European banks are losing share to their US counterparts, big time.

Credit Suisse's Susan Roth Katzke painted the picture in a recent note to clients.

The trend is most pronounced in equities trading and investment banking, though it's clearly evident in fixed income trading too, she found.

Have a look.