The two former executives still face other possible charges.
The loss suggests that the new chief executive faces a difficult first year.
The individual executives could have faced a maximum penalty of three years in prison and a $350,000 fine.
No matter what may happen in a retrial of the case, the two former executives still face other possible charges.
But in a falling market, top executives face potentially two doses of bad news.
For seven hours the executives faced sharp questions, which they buried in smoke.
Two other executives face charges, while another has reportedly fled the country to avoid them.
And it's still unclear whether the company's top executives will ever face charges.
Riggs and its executives now face the possibility of criminal charges.
In any business climate, senior executives can face a long search to find equivalent, or better, jobs.
