Supermicro's stock has plummeted in just a month's time.Super Micro Computer (SMCI -2.10%) was one of this year's best-performing stocks, even outpacing Nvidia. However, it has fallen on hard times after a poorly received earnings report and a short-seller announcement. The stock now sits more than 60% off its all-time highs after combining these two factors and a general sell-off due to extreme valuation.With the stock now at this low point, many investors (including myself) may wonder whether shares might ...