Playboy Group, Inc (NASDAQ: PLBY) and Roblox Corporation (NYSE: RBLX) have both formed long-term bullish chart patterns that could provide massive upside for the long-minded trader and investor.

The move: Roblox stock plunged as much as 20.3% on Thursday, paring that decline to about 13% at 3:05 p.m. ET. The chart: ...