carrier global corp said tuesday that it plans to buy back 500 million worth of stock as part of an accelerated share repurchase agreement the provider of refrigeration fire and security solutions previously established a share repurchase program under which 16 billion remained available as of the end of last year the company said it will use part of the proceeds from the 31 billion sale of its chubb business to fund the accelerated round of share buybacks which will leave 11 billion available under the share repurchase agreement write to will feuer at willfeuerwsjcom