<prompt> Translate the following text to EnglishKwa kuongezea, katika kesi ya Enron, washiriki wa mpango hawakuruhusiwa kuuza hisa za kampuni katika akaunti yao ya 401 k wakati bei ya hisa ilipokuwa ikishuka haraka kwa sababu ya mabadiliko ya wasimamizi wa mpango.  <response>: In addition, in the Enron case, plan participants were not allowed to sell company stock in their 401k account when the stock price was declining rapidly due to a pending change in plan administrators. 