What is the investment secret for American stock investors next year? The title of a song from Taylor Swift's album '1989', a globally renowned singer and 'unlucky', may be the answer: 'All You Have To Do Was Stay' - all you need to do is persist (invest). This is the latest investment opinion given by the Goldman Sachs strategist team led by David Kostin looking ahead to the coming year. The Goldman Sachs team stated that by this time next year, portfolio managers will realize during their review that the best investment strategy for 2024 is to follow the advice given by the title of this song. This song "reflects our baseline prediction that although there may be intermittent fluctuations in the market, fund managers will ultimately receive returns as long as they persist in investing until the end of next year.