The Dow Jones Industrial Average climbed 114.88 points, or 0.43 percent, to 26,584.77. The S&P 500 rose 23.78 points, or 0.74 percent, to 3,239.41. The Nasdaq Composite Index jumped 173.09 points, or 1.67 percent, to 10,536.27.
Shares of U.S. tech giants, the so-called FAANG group of Facebook, Apple, Amazon, Netflix and Google-parent Alphabet, all closed higher.
Nine of the 11 primary S&P 500 sectors gained, with technology up 1.61 percent, outpacing the rest. Utilities and financials, however, struggled.
U.S.-listed Chinese companies traded mostly higher, with nine of the top 10 stocks by weight in the S&P U.S. Listed China 50 index ending the day on an upbeat note.
Wall Street is bracing for a busy week with a big wave of earnings reports, including quarterly results from Apple, Amazon and Alphabet.
Investors also paid close attention to a continued spike in U.S. coronavirus infections.
About 4.27 million confirmed COVID-19 cases have been reported in the United States, with over 147,000 deaths, as of Monday afternoon, according to a tally by Johns Hopkins University.
U.S. equities declined in the past week that saw the Dow slide 0.8 percent, the S&P 500 sink 0.3 percent, and the Nasdaq lose 1.3 percent.
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