The real ad heavyweight isn't Facebook or Google. It's Amazon, says Pacific Crest's Bartley.
Shares of Ford fell more than 7 percent Monday afternoon after headlines came out from its investor day.
The unrest in Hong Kong is "disturbing" but it shouldn't cause investors to sell China stocks, Jeremy Siegel told CNBC on Monday.
Art Cashin of UBS Financial Services says geopolitical concerns have markets on edge.
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