24/7 Wall St. Closing Bell — September 18, 2012: Markets Mixed as Oil Price Drops (FDX, INTC, AA, NWSA, SLB, MDRX, AZO, CBRL, GIS, ADBE, AMD, DECK, CLWR, TWC, SHF)
The three major U.S. stock indexes opened lower this morning and have wavered around the break-even line all day. European markets got things off to a slow start with concerns about Spain’s…