Does Amazon sell though AGS if stock is in excess inventory?

No, Amazon doesn’t sell through Amazon Global Store if stock is in excess inventory. Amazon would be suggest for removal order or liquidation.

If there is excess stock in the Amazon warehouse, Amazon does not sell through the Amazon Global Store. Amazon suggests you remove overstocked inventory from their fulfillment centers by submitting a removal order. This allows you to get rid of excess inventory by removing products from Amazon FBA warehouses and transferring them to your own warehouse, or by discarding them entirely.

If you have excessive inventory in the account, amazon give you option to create the removal order of to dispose the inventory, or to liquidate the inventory, amazon don’t sell the inventory through amazon global store.

If you have excess inventory, then Amazon can suggest outlet deals or if will ask you to remove or liquidate the excess inventory, Amazon does not sell excess inventory through it’s global store.