Growth stocks, particularly those that thrived at the peak of the coronavirus pandemic, largely fell out of style in 2021. With that in mind, let's look at two growth stocks that appear well-positioned to deliver above-average returns for many years to come: DexCom (NASDAQ: DXCM) and MercadoLibre (NASDAQ: MELI). DexCom is a medical device company that focuses on helping diabetes patients achieve better health outcomes.