Some special rules:
1. To qualify for the qualified dividend (taxed at same rate as long term captical gain), the fund must be held for at least 61 days.
2. Upon selling of a fund held not more than 6 months, part of short term capital loss (if there's any) must be treated as long term captital loss to the limit of long term captital gain distributions.
A good guide is at
At the same site, tax information for other investment can also be found.