LPL Financial Strategists Jeff Buchbinder and Barry Gilbert preview third-quarter earnings season. LPL Research expects solid earnings growth for S&P 500 Index companies in the mid-to-high 30s, though upside surprises are unlikely to be as big as in recent quarters.  As the numbers roll in and companies share their thoughts on the future, Jeff and Barry are interested in how long companies expect supply chain issues and materials and labor shortages to last. Wage pressures are also of interest.