https://www.reuters.com/article/us-samsung-elec-results-preview/samsungs-second-quarter-profit-may-flag-as-smartphone-innovation-dries-up-idUSKBN1JT30P >Samsung Electronics Co Ltd is expected to post its smallest profit growth in more than a year in the second quarter, as lackluster sales of its premium Galaxy smartphones overshadow its highly profitable chip business.