Can stocks avoid the seasonal swoon?

Mid-week market update: Evidence of a negative seasonal pattern has been circulating on the internet for the S&P 500. As one of many examples, LPL Financial pointed out that the S&P 500 has typically topped out in early August and slides into late September.

While past performance is no guarantee of future returns, will 2021 repeat the past seasonal pattern? Can the stock market avoid negative seasonality?

Here are the bull and bear cases. The full post can be found here.