For anyone wondering whether the Merrill Lynch acquisition will turn out to be good for Bank of America (NYSE:BAC), the bank's first-quarter results should help tilt the needle in the positive direction. There's simply no question that Merrill's thundering herd is starting to pull its weight and fuel Bank of America's bottom line. In the video below, Motley Fool contributor John Maxfield discusses this in further detail, and provides one lesson that all investors can take away from it.

John Maxfield owns shares of Bank of America. The Motley Fool recommends Goldman Sachs. The Motley Fool owns shares of Bank of America. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.