Adobe Systems Inc. said late Monday it had agreed to buy commerce platform Magento Commerce for $1.68 billion, subject to adjustments. "The Magento Platform brings together digital commerce, order management and predictive intelligence into a unified commerce platform enabling shopping experiences across a wide array of industries," Adobe said in a statement. Magento Chief Executive Mark Lovelle will remain at the helm at Magento as part of Adobe's digital experience business, the company said. The deal is expected to close in Adobe's fiscal third quarter, subject to approvals and closing conditions, Adobe said. Magento Shares of Adobe rose 1.1% after ending the regular trading session flat. In a separate press release, Adobe said its board of directors has approved a share buyback program of up to $8 billion through fiscal 2021.