Retail sales rose 0.4% in December. Economists had expected a 0.6% rise in spending, according to Bloomberg data. Meanwhile, retail sales in November were revised up to 0.8% from a prior reading that showed a 0.7% increase in the month, according to Census Bureau data.

The S&P 500 and Nasdaq have both felt pressure as shares of major tech companies came under pressure Monday. Investors continue to keep a close eye on rising Treasury yields, which heighten worries about valuations, particularly for some of the market's most highly valued names.