Van Berkom Global AM: Why Market Concentration Can Create Both Challenges and Opportunities for Active Investors
‘When an index reaches new highs, is the whole market really moving with it? Not necessarily. In the second quarter of 2026, U.S. small-cap equities delivered remarkable returns. Yet beneath the headline numbers, market leadership remained highly concentrated, with a relatively small group of AI-related stocks accounting for a significant share of the Russell 2000’s … Continued