US STOCKS-IBM, United Tech pull down Dow; tech earnings in focus

U.S. stocks fell in early afternoon trading on Tuesday as weak revenue at IBM and United Technologies weighed on the Dow and investors awaited results from tech giants including Apple and Microsoft. The Dow fell over 1 percent, or about 209 points, with IBM (Swiss: IBM.SW - news) and United (Shenzhen: 000925.SZ - news) contributing around 127 points to the fall.