ETrade actually had an in-house proprietary trading unit that was making so much money that they sold it off because the regulators were asking questions. http

ETrade actually had an in-house proprietary trading unit that was making so much money that they sold it off because the regulators were asking questions. https://www.bloomberg.com/news/articles/2013-10-23/e-trade-sells-market-making-unit-to-susquehanna-for-75-million https://www.bloomberg.com/news/articles/2013-10-23/e-trade-s...