In what could be a good tiding for big banks, a report on Sunday indicated that regulators are considering significantly reducing the proposed increase in capital requirements. What Happened: The Federal Reserve, the Federal Deposit Insurance Corp. and the Office of the Comptroller of the Currency are working on a plan to bring down the nearly 20% increase in mandated capital increase for the biggest U.S. banks, the Wall Street Journal reported, citing people familiar with the matter. They “are still negotiating substantive and technical revisions, and there is no guarantee that a deal will co…