一周牛熊股丨8股涨超40%，最牛股周涨超115%

Group 1 - A total of 8 stocks experienced a price increase of over 40% during the week from February 2 to February 6, with 19 stocks rising more than 30% [1] - Minexplosion Optoelectronics topped the weekly gainers with a remarkable increase of 115.92% [1] - Kailong High-Tech, Zerun New Energy, and Hangdian Co. followed closely with weekly gains of 72.80%, 70.84%, and 51.66% respectively [1] Group 2 - On the downside, 20 stocks saw a decline of over 20% during the same week, with Aerospace Hongtu leading the losses at a drop of 33.82% [1] - Kaipu Cloud and Hunan Silver also faced significant declines, with decreases of 32.80% and 32.56% respectively [1]