In a recent episode of Behind the Ticker, Rob Arnott, founder and chairman of Research Affiliates, shared insights into the firm's latest innovation, the Research Affiliates Deletions ETF (ticker: NIXT). With nearly 50 years in investment management, Arnott has built a reputation for pioneering quantitative investing strategies, particularly through the development of the Fundamental Index methodology. Research Affiliates, founded in 2002, now indirectly oversees $158 billion in assets throug...