SPXX vs ATYR Comparison

Nuveen S&P 500 Dynamic Overwrite Fund is a diversified closed-end management investment company. Its investment objective is to seek attractive total returns with less volatility than the S&P 500 Index by investing in a U.S. equity portfolio that seeks to substantially replicate the price movements of the S&P 500 Index, as well as selling call options on 35%-75% of the notional value of the Fund's equity portfolio (with a 55% long-term target) in an effort to enhance the Fund's risk-adjusted returns.

aTyr Pharma Inc is a biotherapeutics company engaged in the discovery and development of first-in-class medicines from its proprietary tRNA synthetase platform. The company has concentrated its research and development efforts on a newly discovered area of biology, the extracellular functionality and signaling pathways of tRNA synthetases. Its primary focus is efzofitimod, a clinical-stage product candidate which targets NRP2 to resolve chronic inflammation that can lead to fibrosis. Efzofitimod has a novel mechanism of action for potentially treating lung inflammation and fibrosis.