Complex sentence: Its highest-grossing film, "When We Were Colored", took close to $2.3 million at the U.S. box office, however, the home video business was booming at the time and was the economic engine of this company.
Split into simpler sentences: Its highest-grossing film, "When We Were Colored", took close to $2.3 million at the U.S. box office. However, the home video business was booming at the time and was the economic engine of this company.