EDITOR'S NOTE

With just a few trading days left before year-end, investor focus has shifted to what 2021 might have in store for the markets and economy. So far the S&P 500 has scored a near 15% increase for 2020, and many analysts expect double digit gains again in 2021. Strategists in CNBC’s survey expect an average 9.5% rise for the S&P 500.

The economy could start the year under stress as the spreading virus forces more shutdowns, but 2021 is expected to be a year of recovery and the second half should be stronger.

The week ahead could start off with some volatility Monday after the addition of Tesla to the S&P 500. Investors who buy the index have been adding Tesla and selling other S&P names to make room for it. That could continue Monday morning.

Quincy Krosby of Prudential says Tesla could eventually come under pressure after investors finish adding it to their portfolios.

Stocks are expected to remain on the current glidepath into year-end unless Congress fails to reach a stimulus deal or there is some negative development on the vaccine front, according to Krosby.

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