Stocks ended up little changed on Wall Street as gains in real estate and industrial companies were canceled out by losses in technology and other sectors, the AP reports. RetailMeNot soared 48% Tuesday after the online coupon company agreed to be acquired by payment and marketing company Harland Clark Holdings. Hub Group sank 14% after the transportation management company forecast weak first-quarter results. The Standard & Poor's 500 index fell 14 points, or 0.6%, to 2,343. The Dow Jones industrial average lost 88 points, or 0.4%, to 20,569. The Nasdaq composite gave up 40 points, or 0.7%, to 5,839. Small-company stocks rose. The Russell 2000 gained 9 points, or 0.7%, to 1,376. (More Dow Jones stories.)