Card companies and merchants both want a bigger slice of transactions

Two companies Visa (NYSE:V) and Mastercard (NYSE:MA) dominate the global credit card (CC) industry. So when they change their fee structure (which they did in April), everyone has to go along with it. No competition, no options.
Banks and credit card networks force merchants to pay a portion of each CC transaction (i.e., interchange and network fees).
The changed fee structure was expected to increase fees on businesses. But it could also affect consumers, as higher fees can be passed onto customers in the form of higher prices.
This caught the attention of regulators. In July, lawmakers introduced a bill that would allow merchants to direct credit payments through networks other than Visa or Mastercard.
In September, Walmart, Target and 1,600+ merchants called on Congress to pass the legislation.
The group sent a letter sent to Congress saying:
The changes could reduce swipe fees by $11B annually. Those receiving these fees are doing everything they can to block the legislation. And merchants are rallying to pass the legislation.
Merchant supporters are arguing:
Credit card and network supporters are counter-arguing:
Last week, lawmakers backing the bill pushed to include it in the defense-spending bill — which is being considered on Oct. 11. But analysts don’t expect the bill to be passed this year.
Still, the changes would have big implications for Visa and Mastercard, which would:
Like any bill introduced in the White House, it could take years to pass — or like most of the time, not pass at all.