Economist: Tobin's Q Shows Market Could Still Be Attractive By: Benzinga via Benzinga March 11, 2016 at 13:12 PM EST Tobin's Q, a measure of long-term stock market valuation, shows that equity markets through the end of 2015 were undervalued, according ... Read More >> Related Stocks: SPDR S&P 500 ETF Trust Sentinelone Inc Cl A