BlackBerry (NYSE:BB), and clothing retailer Express (NYSE:EXPR) are up between 10% and 50% in just the last five days. These meme stocks that were the focus of a push from retail traders on the WallStreetBets forum in January are almost all now looking like they could be riding another wave higher. AMC data by YCharts. Today, shares were moving up again, with GameStop 14% higher, AMC up 11.8%, and BlackBerry and Express up 8.8% and 18.5%, respectively, as of 11:15 a.m. EDT. So what Reddit users might again be looking to force a short squeeze, and there seems to be some room for that to occur. But not all of these names are in the same position as earlier in the year.