Bloomberg Not everything Elon Musk touches has been a runaway sales success. While Tesla Inc.’s Model S has been a hit and thousands lined up to order the upcoming Model 3 sedan, the Model X sport utility vehicle hasn’t met the chief executive officer’s expectations. Model X deliveries have yet to keep pace with the Model S, as Musk predicted, …

Bloomberg In the diamond industry, the only place that really matters is the US, and the market is starting to look a little shaky. In a country where consumers buy almost half the world’s gems, Tiffany & Co. and Signet Jewelers Ltd. this week reported disappointing sales. That’s a blow to expectations that President Donald Trump’s pro-business policies would give …

Bloomberg Two shareholder advisory firms have recommended support for current General Motors Co. board members and against creating a dual share class, proposals advanced by activist investor David Einhorn to boost the automaker’s stock. “The dissident has not made a compelling case that change at the board level focusing on the implementation of its proposal is warranted,” Institutional Shareholder Services …