Pot stocks are a type of investment that involves buying and selling shares of companies that produce, distribute, or sell cannabis products. They are a relatively new form of investment, as the legalization of cannabis has only recently become widespread. The term 'POT stocks' is derived from the slang term for cannabis, 'POT'. The crossword solution for this term is 'STASHES', which refers to the stockpiling of cannabis products by companies in anticipation of increased demand.