The Standard & Poor's 500 index was down three points, or 0.2 per cent, to 1,974 as of 12 p.m. Eastern time on Monday. The Dow Jones industrial average lost 28 points, 0.2 per cent, to 16,932. The Nasdaq dropped 17 points, or 0.4 per cent, to 4,432.
Fewer Americans signed contracts to buy homes in June amid meagre wage growth and higher prices. Homebuilder D.R. Horton fell 3 per cent, making it one of the biggest decliners in the S&P 500.
Family Dollar soared 23 per cent after Dollar Tree announced plans to buy the rival discount store. Last month, Carl Icahn, who has built up a stake in the company, urged Family Dollar to sell itself.