Bloomberg Roku Inc is working on a new device to address a common problem with streaming TV set-top-boxes: video quality. The company is developing a Wi-Fi extender called Roku Relay and is testing it internally, according to people familiar with the matter. The device increases the range of a Wi-Fi router, spreading internet signals further through homes so online video …

Bloomberg Toyota Motor Corp will inject $600 million into Didi Chuxing and help the Chinese company set up a car fleet management venture, bankrolling the loss-making ride-hailing giant’s expansion. The Japanese auto-maker will work with Didi to provide services including rental and car maintenance. Toyota will use its connected-car technology and intelligent analysis to help bolster Didi’s business, the partners …

Bloomberg Snapchat’s growth accelerated after the social-media company rolled out an improved version of its Android mobile application and introduced fun ways for people to manipulate their images and videos. Snap Inc, whose Snapchat app lets people send each other disappearing photos and videos, said an average of 203 million users logged in daily in the second quarter, well ahead …