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- Goldman Sachs says US exceptionalism in stocks will persist despite the S&P 500's lagging this year.
- Goldman notes that US firms' higher R&D investment boosts growth in the long term.
- US companies lead in return on investment, which helps drive long-term innovation.
The US exceptionalism trade looks likely to persist, despite fears that America's stock market dominance is waning as international stocks outperform the S&P 500 this year.