Stock markets are beginning to flash signs of nervousness at all-time market highs, which is evident as companies suffer major corrections despite strong "beat and raise" quarters. It's a reminder to investors to be cautious and to deployWith combined experience of covering technology companies on Wall Street and working in Silicon Valley, and serving as an outside adviser to several seed-round startups, Gary Alexander has exposure to many of the themes shaping the industry today. He has been a regular cont ...