There sure is a lot of innuendo about Chan's possible evil doings. I haven't read or heard anything concrete in that regard, so why all the negative assumptions? All the leading questions?

To me, it sort of looks like the way Buffett built his empire. I don't see what's not to like:

http://sed.com.sg/home

If it was 100% biotech it would be more of a crapshoot, but this seems nicely diversified.