Welcome back to Market on Close. I'm Sam Bartis at the New York Stock Exchange. So, here's some final thoughts on basically the weak session that we saw.Two big stories really driving the market narrative this week. The Fed and the AI trade. The markets really got what they wanted with that 25 basis point cut, but investors also took Pal's comments as less hawkish than expected.A big part of this was to do with the so-called mini QE, the plan to buy $40 billion in T bills starting from today. Now the reason ...