Over the past 12 months, $MUU, a 2x leveraged bull ETF tracking Micron Technology, has been mentioned 3 times by 2 distinct FinTwit voices, with the first mention appearing on May 8, 2026. @tradexwhisperer has been the most active voice discussing the ticker with 2 mentions, while @the_ai_investor contributed 1 mention. The most recent discussion occurred on June 15, 2026, when @tradexwhisperer noted that $MUU was approaching $MU levels. Commentary around this leveraged semiconductor play has emerged primarily from voices focused on the semis sector.