Oct 28 (Reuters) - Advantage Lithium Corp AAL.V
* Advantage Lithium signs definitive agreement to acquire Stella Marys project in Argentina's "lithium triangle"
* Advantage Lithium signs definitive agreement to acquire Stella Marys project in Argentina's "lithium triangle" Source text for Eikon: ID:nCCN2pN9cH Further company coverage: AAL.V