The Wall Street Journal is reporting that Visa Inc. CEO Joseph Saunders said a "significant" announcement regarding the credit card processor's mobile payments plans could be made as early as next week. 

According to the article, Saunders did not provide any additional details on the announcement. Saunders also declined to comment on Visa's reported discussions with the Isis network, the mobile payment joint venture between Verizon Wireless, AT&T Inc. and T-Mobile USA. Saunders would only say Visa is "working with different types of entities."