Boosted, the electric skateboard company that added scooters last year, on Wednesday said it cut a "significant portion" of its 130 workers and is seeking a buyer. The Mountain View-based Y Combinator alumnus from the summer 2012 batch blamed its woes in a blog post on the U.S.-China trade war and competitive costs. "Unfortunately, developing, manufacturing, and maintaining electric vehicles is highly capital-intensive, and over the last year-and-a-half our business has faced an additional unplanned...