A day after Thursday's 512-point shellacking, blue-chip stocks were generally higher Friday, while tech names slumped further. The Dow Industrials edged higher, the S&P 500 closed flat and the Nasdaq Composite lost nearly 1%.More headlines from FoxBusiness.com:http://email.foxnews.com/t?ctl=127CC:7469D46E31DAE9CA54F9BCE7EF66A3FB&------------------------------------------------------------To