The experience of 2015 could be a useful road map for investors. That year was uncomfortable as the Federal Reserve planned to raise interest rates against a backdrop of soft global growth. Stocks, corporate bonds and commodities all fell, while Treasury bonds eked out a minuscule gain.
In the midst of the market turmoil, the Federal Reserve slowed down the pace of its interest rate increases. And the pause from the central bank reinvigorated risk-taking among investors, with the S&P 500 rising 9.5 percent the next year, and the economy continuing to grow.
https://www.nytimes.com/2018/12/15/business/stock-market-decline-commodities-bonds.html