It’s clear after election in Germany that the electoral failures of established socialist parties in Europe are not a few isolated events but a trend, an existential crisis for the center-left. There are few better illustrations of this crisis than Social Democrat leader Martin Schulz’s futile anger at Chancellor Angela Merkel in the aftermath of Sunday’s election. Schulz called her …

Bloomberg Amazon.com Inc., girding for competition from Apple Inc. and Google in the race to equip homes with smart devices, unveiled a slew of consumer gadgets including an Alexa-powered digital-home hub, a smaller and cheaper Echo speaker and a new mini Echo with a screen, called Spot. Though hardware products aren’t key to Amazon’s bottom line, they serve as important …

Bloomberg Roku Inc.’s trading debut has catapulted it among the biggest gainers for newly listed technology and communications stocks as investors bet on the success of streaming video. The shares closed at a high on its first day of trading at $23.50, up 68 percent from its $14-a-share initial public offering price. That surpassed MuleSoft Inc.’s first day rise in …