It's easy to scoff at the anti-free-trade rhetoric emanating from the U.S. presidential campaign trail. Donald Trump keeps yelling about China, Mexico and Japan. Bernie Sanders won't stop shouting about greedy multinational corporations. Hillary Clinton, Ted Cruz and John Kasich are awkwardly leaning in the same direction. If you're a typical pro-trade business executive, you're tempted to ask: Were these people throwing Frisbees on the quad during Econ 101?

While Amazon.com Inc. is already a force to be reckoned with when it comes to online retail, one Wall Street firm says it's about to move up the ranks in yet another industry: U.S. food and beverage.

Shipbuilders, container lines and port operators feasted on China's rise and the global resources boom. Now they're among the biggest victims of the country's slowdown and the worldwide decline in demand for oil rigs and other gear amid the oil price plunge.

Beijing is crawling with motorcycle-mounted deliverymen, one sign of the rapid growth of China's service industries. Services grew 8.3 percent last year and for the first time generated more than half of gross domestic product, or 50.5 percent. Manufacturing rose only 6 percent. "If it hadn't been for the service sector, China's economy would be in a much worse state today," says Louis Kuijs, head of Asia economics at Oxford Economics in Hong Kong. He notes that all kinds of services have expanded quickly in recent years.

Cadillac plans to be the first GM automobile to come with Super Cruise, the company's most ambitious technological foray since automatic transmission, though the system isn't fully autonomous.

In a mock warehouse stocked with granola bars, breakfast cereal, sponges, and other household goods, a worker plucks items from shelves and places them in a plastic bin. The bin is set atop a small wheeled robot that follows the employee’s every step like a puppy.

Google Inc. will start testing a delivery service for fresh food and groceries in two U.S. cities later this year, stepping up competition with online retailer Amazon.com Inc. and start-up Instacart Inc.