On some days, only a few hundred shares in the thinly traded company changed hands.
He said there was nothing wrong with holding stock of thinly traded companies.
As a result, sellers took control of yesterday's thinly traded market.
Generally, when a large number of short positions is taken in a thinly traded stock, the price falls.
The company first went public in 1972, but it was a much smaller business with thinly traded and volatile shares.
Thinly traded stocks or small transactions may also be cut.
A thinly traded stock may jump particularly far from one trade to the next.
The fund also suffered from large positions in thinly traded stocks.
The thinly traded shares were quoted last week at about $3,500, versus a book value around $2,600.
"Most of these currencies are so thinly traded that it doesn't take much to move them one way or the other."