Increased volatility and upcoming earnings for Amazon could boost investor interest and stock prices. Historical performance shows that companies often see price surges leading into earnings announcements, influencing S&P 500 positively if large cap stocks like Amazon perform well.

Market movements, particularly of high-cap stocks like Amazon, predictably influence the S&P 500 due to its composition. Given its weight in the index, even small shifts in price can cause significant fluctuations in the overall market.

Anticipation around Amazon's earnings and related volatility is likely to affect S&P 500 in the immediate future, similar to past earnings seasons where immediate reactions significantly influenced market indices.