NKX vs ASPN Comparison

Nuveen California AMT-Free Quality Municipal Income Fund is a closed-end fixed income mutual fund. The Fund's primary investment objective is current income exempt from both regular federal income taxes and Arizona individual income taxes and to enhance portfolio value relative to the municipal bond market by investing in tax-exempt municipal bonds that the Fund's investment adviser believes are underrated or undervalued or that represent municipal market sectors that are undervalued. It invests across sectors such as healthcare, utilities, transportation, and housing.

Aspen Aerogels Inc is an aerogel technology company that designs, develops, and manufactures high-performance aerogel insulation used in the energy industrial and sustainable insulation markets. The company also conducts research and development related to aerogel technology supported by funding from several agencies of the United States of America government and other institutions in the form of research and development contracts. It is engaged in two operating segment Energy Industrial and Thermal Barrier. Geographically, it operates in the U.S. and also has a presence in other International countries. It generates the majority of its revenue from the Energy Industrial segment and the United States market. Some of its products include Pyrogel XTE; Cryogel Z; Spaceloft Subsea; and others.