Good news! Twitter’s business is not doing terribly by the low, low standards of Twitter. Well done. In the first quarter, Twitter Inc.’s revenue fell from the year-ago quarter for the first time. Twitter doesn’t turn a profit, and now its sales are shrinking, too. That is … not good. But Twitter executives had told investors to brace for …

  Just before Earth Day, Apple Inc. announced a new goal: to make its computers and phones and watches without mining any new raw materials. Instead, Apple would one day build its products “using only renewable resources or recycled material.” This is what’s known as a “closed loop,” in which new products are made exclusively from older versions of the …

  Bloomberg Airbus SE said three problem aircraft programs are set to remain a bugbear for the rest of the year after weighing on earnings in the first quarter. The planemaker is waiting on a fix for glitches afflicting engines on its new A320neo narrow-body jet, while production delays persist on the twin-aisle A350, Airbus said on Thursday. And talks …