American Superconductor (AMSC) shares rallied 6.6% in the last trading session to close at $64.49. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 25.7% gain over the past four weeks.The optimism surrounding the stock can be attributed to strong tailwinds like semiconductor-driven materials demand, global data center growth, renewable energy expansion, resilient traditional energy spending, rising defense bud ...