US equities posted losses at the end of regular trading Tuesday. The Dow slid 0.5%, or 125.98 points, as of market close. The S&P 500 fell 0.55%, or 15.19 points, ending trading lower for 12 out of the past 14 sessions. The Nasdaq slipped 0.42%, or 31.09 points. Earlier in the day, stocks slid after the release of disappointing financial results from major manufacturers including Caterpillar and 3M, with the Dow shedding as many as 548.62 points.