In the market's bizzaro reasoning weak home building stats are viewed as positive since its assumed that will help keep the FED from losing "patience" and considering a Fall rate hike. Everyone's getting pretty sick of being held hostage by the FED's waffling and tomorrow will be no exception. Expect a volatile session that may or may not have a follow through on Thursday and Friday after the FED's pronouncements are nuanced and second guessed ad nausea um.
What was indicative of the mood despite today's low volume was the sudden enthusiasm for XIV in the closing hour as it ran bullish in contrast to the SPY's bearish tone.(see lower chart)