As Big Tech determines the course of Wall Street, here is why Amazon will hold the most sway

After huge pandemic-fueled growth, the nation’s biggest tech companies have been laying off workers in recent months as digital demand has plunged, while “pivoting” to a lot of talk about artificial intelligence.

This week, while the AI talk is sure to continue, Amazon.com Inc. AMZN, Meta Platforms Inc. META, Alphabet Inc. GOOGLGOOGand Microsoft Corp. MSFT will have to put some numbers behind their recent performance. And the outcome could determine the shape and severity of an expected earnings recession for corporate America…