asset management is the buy side lah...i believe CF ya referring to is CF department in a investment bank. generally, IB is the sell side.

CF in different IB may have structured differently. works for starters include drafting prospectuses and bursa announcement, doing due diligence.....more to do with "words" rather than "number crunching" though it might involve some calculation but it's very minimal. working hours will be damned long (until 2-3 am during peak season).

so the works might be very different from what ya doing in AM loh. depends on what you actually like.