Wall Street's reliance on a small number of high market-value stocks to keep momentum going for the U.S. equities bull market will be tested in coming days as major technology and growth companies report earnings.

US stocks closed mixed Tuesday, but the benchmark S&P 500 (^GSPC) was able to eke out a new record as Wall Street digested a new batch of earnings, including a tariff warning from General Motors (GM),

Wednesday’s report follows Alphabet’s better-than-expected Q1 release earlier this year, in which the company reported year-over-year growth of 12% and 49% for its top and bottom lines, respectively, after Google’s search unit generated more in sales than analysts projected.

Stocks found support from afternoon news reports that the U.S. and the EU are working toward a deal that would set a 15% tariff on most imports. Earlier, Bloomberg reported that the EU may hit U.S. goods with a 30% levy if no agreement is reached before an Aug. 1 deadline set by President Donald Trump.

There’s a feeling of optimism in the U.S. stock market about the week ahead, with corporate earnings finally poised to hold the spotlight.

Keurig Dr Pepper is set to release its earnings on July 24. Historically, KDP stock has exhibited negative one-day returns in the aftermath of earnings announcements.

U.S. stocks are trading near record highs heading into the thick of the second-quarter earnings season, but with markets historically expensive and reliant on the performance of tech companies, some investors are starting to embrace a more cautious outlook.

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Trump’s tariffs and the trade war continue to affect global markets. Follow along for live updates on the Dow, S&P 500 and Nasdaq.