Financial markets once again have been seized by meme-stock mania. In mid-July, a frenzied rally erupted around a cohort of beaten-down companies, including Opendoor Technologies Inc., Kohl’s Corp.

Are meme stocks a thing again, and, if so, why? Seeking Alpha analysts Julian Lin, Julia Ostian and Giacomo Bocanegra weigh in. Julian Lin: One could quibble about the specific definition of a meme ...