The most-read article last week was SpaceX IPO to Boost Aerospace ETFs? Try UFO. In it, Nick Peters-Golden covered the pending SpaceX IPO and how it could affect the aerospace industry as represented in ETFs like the Procure Space ETF (UFO ). Peters-Golden’s article was followed by 3 Reasons to Invest in Closed End Funds This Summer, by Nick Wodeshick. The piece highlighted the benefits of investing in closed-end funds and featured the Invesco CEF Income Composite ETF (PCEF C+), which offers wide ranging exposure to the category. Todd Shriber wrote the third-most read article from last week. Palantir Rally Renews This ETF’s Shine discussed a strong week of performance by Palantir’s stock, which in turn boosted the share price of the Direxion Daily PLTR Bull 2X Shares (PLTU ). Investing With Purpose: Defiance Launches Autism Impact ETF fell into the No. 4 spot in the rankings. In it, Ben Hernandez covered the rollout of the first ETF, the Defiance Autism Impact ETF (ASD), to focus exclusively on companies that support the neurodivergent population, especially those with autism spectrum disorder. Finally, Zandile Chiwanza and Elle Caruso Fitzgerald debated whether investors should be adding space ETFs to their portfolios or looking for similar thematic exposures elsewhere. Bull vs Bear: Are Space ETFs Ready for Liftoff or Grounded by Macro Headwinds? was the fifth-most-read article during the week that began June 1, 2026. For more news, information, and analysis, visit the Thematic Investing Content Hub. VettaFi LLC (“VettaFi”) is the index provider for UFO and ASD, for which it receives an index licensing fee. However, UFO and ASD are not issued, sponsored, endorsed, or sold by VettaFi, and VettaFi has no obligation or liability in connection with the issuance, administration, marketing, or trading of UFO or ASD.