Yields on longer-dated U.S. Treasuries fell for a fourth straight day, with the benchmark 10-year yield hitting a fresh two-week low of 1.564pc and helping to ease inflation worries.
"The next step is going to be putting a national cap on interest rates," Brown, a consumer champion and Wall Street critic, said in an interview. "This is a continued fight."
"Enough people wronged by payday lenders have told their stories in Congress. It's a better time," he said.
The Dow Jones Industrial Average (.DJI) rose 46.0 points, or 0.13%, at the open to 34253.87. The S&P 500 (.SPX) rose 14.3 points, or 0.34%, at the open to 4170.16, while the Nasdaq Composite (.IXIC) rose 86.2 points, or 0.64%, to 13557.212 at the opening bell.
The Dow Jones Industrial Average rose 37.8 points, or 0.11%, at the open to 34121.91. The S&P 500 rose 9.5 points, or 0.23%, at the open to 4168.61, while the Nasdaq Composite rose 80.4 points, or 0.59%, to 13616.186 at the opening bell.
Wall Street's main indexes fell in a late-session selloff on Tuesday as weak housing starts data overshadowed better-than-expected earnings from Walmart and Home Depot.
"Markets continue to view this progress favorably, with long-term interest rates remaining remarkably calm and the stock market, so far, avoiding any sharp correction."
Tesla had already hammered the digital currency last week when it said it will halt transactions in the cryptocurrency because of environmental concerns.