Stocks weak here as a trade deadline for a US–Canada deal looms. Plus, Amazon zooms past $2,000 on its way to $1 trillion valuation. And it’s expanding in yet another market, too. And, Happy Birthday Warren! The Oracle of Omaha reveals what’s he’s been buying recently. Plus, it’s another big tech IPO is coming. Will you A. buy, B. sell, or C. ignore? We’ll have the “survey” results. Catch The Final Round at 3:30 ET p.m. with Myles Udland, columnist Rick Newman and reporter Melody Hahm.