Jim Cramer ponders how some stocks are the way they are. And how other stocks are the way they are, too.
In highlights from this week's trading diary and posts, Kass tells us about his trade of the week, as well as how J.C.Penney upgraded.
Crossing Wall Street Editor Eddy Elfenbein doesn't expect run-ups in three Dow stocks to continue.
Sector rotation is behind the selloff in technology shares this week, not simply a fear of Trump's protectionism, says Jim Cramer.