Stocks ended moderately lower Tuesday, but a generally quiet session in the broad market didn’t translate to small-cap stocks. The Nasdaq gave up 0.3%, closing in the middle of its intraday range after falling 0.7% early. It closed slightly above its 50-day moving average. The S&P 500 fell 0.2% and the Dow Jones industrial average eased 0.1%. The small-cap Russell 2000 index lost 0.8%, finishing near its low for the day.