Twitch — the live-streaming platform run by Amazon.com Inc. AMZN, +1.52% — plans to cut 500 jobs, or 35% of its workforce, amid worries about losses and steep costs of operations, Bloomberg reported on Tuesday. Bloomberg said the departures could be announced as early as Wednesday, and noted that they would come after other rounds of layoffs and after a handful of senior executives left the platform last year. Representatives for Amazon and Twitch did not immediately respond to requests for comment. The em ...