Amid enthusiasm for strong Q3 earnings and the ability of the U.S. macroeconomy to move successfully past the U.S. election, the S&P 500 ( SP500 ) sits near all-time highs and historic valuation levels again. Optimism is the order ofWith 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 contribut ...