Relatively strong volume on Monday's big up day for tech isn't enough to convince Kevin Green that bulls are back in control. He points to key levels in the S&P 500 (SPX) to watch in Tuesday's trading day and the week ahead. The continuing investigation on Nvidia (NVDA) CEO Jensen Huang adds a cloud into an already unclear AI trade. KG explains how a retracement of crude oil prices to $85 extends the bullish runway for market momentum.