 Clean Energy Fuels Corp. NASDAQ: CLNE and AMC Entertainment Holdings Inc. NYSE: AMC continue to see the highest interest on Reddits rWallStreetBets forum, while Petco Health and Wellness Company Inc. NASDAQ: WOOF saw a drop in mentions as the stock fell in Tuesdays trading session. What Happened: Clean Energy Fuels remains the most-discussed stock on the forum with 1,580 mentions followed by movie theatre chain AMC Entertainment with 1,254 mentions during the last 24 hours at press time, data from Quiver Quantitative showed. 