China controls the bulk of the world’s solar supply chain. Now, the U.S. is trying to build its own. It will be tough.

More than $70 million could be spent in bid to win everyday investors’ votes.

Companies tend to register in their home states or in Delaware—but states like Nevada and Texas are attracting powerful shareholders seeking an alternative legal environment.

Appliance manufacturers say energy-saving efforts are pushing the limits of physics. Others say pressure spurs innovation.

Disney, Fox and Warner’s venture to bundle live sports content—the latest hit to traditional cable packages—needs to cover high costs and keep leagues on board.

Elon Musk’s changing personal priorities raise questions about where the automaker is heading.