Cold-coffee boom starts to pour out across the US

A lightbulb moment by a US coffee executive while cruising in the Caribbean has created a boom product, writes Jennifer Caplan.

Coffee makers from global giants JAB and Illy to smaller upstarts such as High Brew, La Colombe and Chameleon Cold-Brew are putting their brews on ice.

They’re introducing high-end ready-made chilled bottled and canned coffee, betting that US grocery shoppers will embrace yet one more way to get their caffeine jolt.