Tue Jul 23, 2013 3:44pm EDT * UTX shares hit all-time high and lift the Dowindustrials * Biotech drags on the healthcare sector * Apple’s stock falls 1 pct, earnings due after the closing bell * Dow up 0.3 pct; S&P 500 off 0.03 pct; Nasdaq down 0.4 pct By Alison Griswold NEW YORK, July 23 (Reuters) – The Dow industrials and…