Stock in excess.

To fill too full; to supply in excess; as, to overstock a market with goods, or a farm with cattle.

excess inventory; may be from ordering too much, order cancellations, or product's failure to sell.

A situation where merchandise is purchased, in addition to normal stock, in anticipation of a special sales drive.

Best Buy's term excess or overstock product

stock excessively

An excessive amount of product purchased in anticipation of increased sales volume.