Concerned about an AI bubble? Sign up for The Daily Upside for smart and actionable market news, built for investors. Just like the contestants on a famous reality television competition’s 50th season, exchange-traded funds are duking it out to become a Survivor.  Nearly 1,000 active ETFs entered the market last year, and Brown Brothers Harriman reported this month that 94% of the investors it recently polled said they believe the active ETF market will hit $10 trillion in assets within 10 years, which is ...