This social media underdog has a lot of growth potential.Reddit's (RDDT -7.18%) stock price has more than quadrupled since it went public eight months ago at 34pershare.Thesocialmediacompanydazzledinvestorswithitsrapidgrowthinusersandrevenue,anditturnedfirmlyprofitableinitslatestquarter.Butevenafterthosemassivegains,Reddit′smarketcapof28 billion still makes it a tiny fish in the social media market compared to Meta Platforms (META -0.70%), which is worth $1.4 trillion. C ...