Early signs of lithium rebound?

Pure Gold, Canada's Next Gold Mine, This Year

Cardinal heading down familiar gold road

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Sarama right in the middle of big exploration, corporate build-up

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Exore excels in Cote d'Ivoire

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Citi is the latest bank to dig deep into lithium, a key battery metal which boomed three years ago before crashing in a glut of oversupply and lack of demand.

Will it be different next time?