The S&P 500 was essentially unchanged at the closing bell, while weakness in growth and microchip stocks pulled the tech-laden Nasdaq to a nominally lower close."We're at a little bit of a point of indecision, where nobody feels particularly strongly about anything," said Michael Green, chief strategist at Simplify Asset Management in Philadelphia. "That reflects itself in reduced reaction to earnings surprise."Third-quarter earnings season has shifted into overdrive, with corporate giants such as "The ear ...