Things are heating up in the lithium market. I recently wrote about Arcadium Lithium plc ( ALTM ) being dramatically undervalued, with the stock in the $2.50-2.70 range. More recently, Rio Tinto Group ( RIO ) announced an all-cashAre You Getting The Returns You Want? Invest alongside the Financial Prophet's All-Weather Portfolio (2023 47% return) and achieve optimal results in any market.The Daily Prophet Report provides crucial information before the opening bell rings each morning.Implement my Covered Cal ...