24/7 Wall St. Closing Bell — September 19, 2012: Markets Get Lift from Housing News (MON, WM, BRCM, ACHN, CLNE, AZO, CRBL, GIS, ADBE, BBBY, JEF, RAD, QCOR, AET, PHM, GRPN)
The three major U.S. stock indexes opened mixed this morning, taking until mid-morning to rise above the flat line and stay above it for the rest of the day. The initial response…