How some shares are sold (2,3)
I believe the answer is:
at par
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">how some shares are sold</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for at par that I've seen before include "for what it's worth" , "for original cost" .)