The Nasdaq is on track to break an 8-week win streak. So, is the tech exuberance fading? Dan Greenhaus of Solus Asset Management gives his take on the sector. Plus, CIC Wealth\u2019s Malcolm Ethridge breaks down the key stocks he is betting on right now. And, Goldman Sachs is facing a big writedown on its troubled Greensky deal. CNBC.com\u2019s Hugh Son explains that exclusive scoop.