Goldman's global stock chief breaks down how the historically swift COVID-19 bear market stacks up against 140 years of history — and offers a look at what's next

· Peter Oppenheimer is chief global equity strategist and head of macro research of global investment research at Goldman Sachs in Europe.
· Oppenheimer explains how investment cycles have occurred in consistent six-year cycles since 1880, almost unaffected of economic influences such ebbs and flows in inflation, collapses of...