Does ‘Momentum’ Investing Create Stock Bubbles? scroll-down Breadcrumb Home News Does ‘Momentum’ Investing Create Stock Bubbles? Does ‘Momentum’ Investing Create Stock Bubbles? LSE academics argue that momentum investing exploits active managers who hew closely to stock benchmarks, and stokes a greater propensity for bubbles. Chris Dieterich Barron's 5 April 2016