Bloomberg Debenhams Plc tumbled after the UK department-store operator said its chief financial officer is leaving to join a rival, and profit will be at the lower end of an already-reduced forecast range. Following a holiday season in which UK consumers shifted to e-commerce merchants such as Amazon.com Inc. and hunted for bargains, full-year pretax profit will be at the …

Bloomberg Procter & Gamble Co. agreed to buy Merck KGaA’s consumer-health business for 3.4 billion euros ($4.2 billion) to bolster growth, betting that vitamins and decongestants can hasten its comeback. The deal gives the maker of Crest toothpaste a stable of products with sales growth of 6 percent in the past two years, double the pace of traditional consumer goods …

Bloomberg There are many depictions of a future in which we’ve mastered the art of manipulating the opacity of glass. Even in real life, sunglasses can adapt to the intensity of sunlight. So why, one might ask, can’t we have that in our homes, or at work? The wait may soon be over. The tinted world of tomorrow is coming, …