Some 233,000 savers held seven-figure 401(k)s as of Dec. 31, up about 17% from the prior quarter.

Estate of billionaire contends valuable pieces were moved out of the United States.

Trust interest forfeited.

Rocky Aoki's heirs seek removal of their stepmother as trustee of $50 million trust.

Leading firms weigh in on what advisors need to keep an eye on.

It's an election year, which means it's time for the country to pretend to care about the estate tax again.