蟹貨

Etymology
Stocks that have decreased in value could not be sold as this induces loss to the investor. The stock is described as being tied and cannot be moved, which is similar to how crabs are tied when sold.

Noun

 * 1)  stocks that have decreased in value, such that selling it will result in loss
 * 2)  goods that have decreased in value, such that selling it will result in loss