Substantial investment totals into the A.I. space headline early Monday movers: Apple (AAPL) and Alibaba (BABA). Apple pledged half a trillion dollars in U.S. expansion plans, including A.I. and Silicon innovation. Meanwhile, Chinese company Alibaba — fresh off of 52-week highs — commits to spending $52B to ramp up its A.I. and Cloud infrastructure. Kevin Green examines the big capex spending from both companies.