Reuters Petrochemical stocks and an earnings beat by Saudi Telecom Co lifted Riyadh’s stock market on Sunday while other Gulf bourses were sluggish, once more ignoring a strong performance by Wall Street on the previous trading day. The Saudi stock index climbed 0.7 percent. Unusually, four of the 10 most active stocks were petrochemical producers after oil prices rose sharply …

Bloomberg UBS Group AG Chief Executive Officer Sergio Ermotti is reviving investors’ expectations for a share buyback after the bank’s capital buffers rebounded and profit increased. The bank’s CET1 capital ratio rose to 13.7 percent in the three months through September, up from 13.5 percent in the second quarter. UBS has pledged to return at least half its net profit …

Bloomberg Deutsche Boerse AG Chief Executive Officer Carsten Kengeter resigned amid growing shareholder pressure after he became embroiled in an insider-trading probe. The company also said it isn’t likely to meet its full-year earnings targets. The CEO will step down on December 31 “in order to allow the company to focus its energy back onto clients, business and growth and …