absolutely. they invest because the rate of return is greater than most found in the US or Europe. Bear Stearns did it. Goldman Sachs did it. And others have too.
Anyway, the complexities of QXM are far less than that of XING. QXM is pretty transparent. XING is basically a "tracking stock" tied to the performance of others, and those are sometimes very hard to understand.
No one important has their earning: Not yahoo, WSJ, Barrons. They just issue a PR and never take the responsibility to see that it's picked up. It's not even in WON database (used by all mutual funds). I mean there are at least 10 guesses on these boards as to what their operational EPS was after their last release. What reporting service is going to take the time to figure this crap out?