S&P500 earnings trends and estimates are a notably important topic, for a variety of reasons, at this point in time.
FactSet publishes a report titled “Earnings Insight” that contains a variety of information including the trends and expectations of S&P500 earnings.
For reference purposes, here are two charts as seen in the “Earnings Insight” report of January 17, 2020:
from page 24:
(click on charts to enlarge images)

from page 25:

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Please Note – The above is excerpted from the EconomicGreenfield.com (published by RevSD, LLC) post of January 22, 2020, titled “Trends Of S&P500 Earnings Forecasts”
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RevSD, LLC offers the above data and projections for informational purposes only, and does not necessarily agree with information provided by these outside parties.
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RevSD, LLC is a management consulting firm and strategic advisory that focuses on the analysis of current and future weak(ening) economic conditions, and offers businesses and other entities advice, strategies, and actionable methods on how to optimally adapt to such challenging, complex conditions.