nLight (LASR) shares soared 5.9% in the last trading session to close at $10.46. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 2.3% loss over the past four weeks.nLight is benefiting from strong growth in its aerospace and defense business, driven by increased demand for directed energy systems and laser sensing products.This laser maker is expected to post quarterly loss of $0.14 per share in its upcoming report, which represe ...