Meme stocks are back. Jolted by a sudden surge in Opendoor stock last week, a handful of other shares have ripped higher on interest from retail traders.

AEO’s Sudden Surge American Eagle Outfitters (NYSE:AEO) has seen its stock soar recently, climbing 12% over the past week, ...

This month has seen a resurgence of so-called 'meme stock' trading activity as organised groups of retail investors pile into ...