Visa and MasterCard shares rose on Friday after The Wall Street Journal reported that Walmart and Amazon, among other retailers, are considering issuing their own stablecoins for customers, a move that could deplete revenues for traditional payment service providers. The newspaper stated that the decisions to issue stablecoins (cryptocurrencies tied to stable assets like the US dollar) depend on the passage of the Genius Act, which was issued by Congress, that needs to be regulated and requires holding reserves of dollars or other assets.