The 4 Bits of Jargon That Will Help You Spot a Market Swoon

Ms. Patterson is an economist who has held senior positions at JPMorgan Chase and Bridgewater Associates.

Want to know how comfortable your retirement will be? Baffled by the jargon thrown around by A.I. moguls? Well, you’re in luck, because deciphering four concepts will go a long way toward answering that crucial question about your personal finances.

The math that lies behind this Silicon Valley shorthand will help determine if America’s largest A.I. companies can earn enough revenue to justify historic levels of capital spending. Next year,........

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