Photographer: Bing Guan/Bloomberg Qualcomm Inc., the largest maker of smartphone processors, plans to buy back another $20 billion worth of shares and is raising its quarterly cash dividend as part of a broader effort to bolster shareholder returns while diversifying its business. The chipmaker’s board has approved the new stock repurchase program, which adds to previous buybacks announced in November 2024, according to a company statement. The San Diego-based company’s quarterly dividend will rise to 9 ...