"Stock is 0" usually means that the inventory of the product or item has been exhausted and there is no more stock to sell or distribute. This may be due to one of the following reasons:

1. Demand exceeds supply: If the demand for this product or item exceeds the supply, then the inventory may be exhausted quickly.

2. Production or supply chain problems: If there are problems in production or supply chain, such as shortage of raw materials or production line shutdown, then the inventory may be reduced or exhausted.

3. Sales strategy: Sometimes, companies may deliberately keep inventory low in order to better control supply and demand and quickly adjust prices and inventory when necessary.

If you need this product or item, it is recommended that you contact the supplier or seller to find out when more stock will be available.