MINYANVILLE ORIGINAL Wall Street where recent losses have looked like something straight out of the apocalypse today seeks unlikely salvation from one of the Four Horsemen. Cisco Systems (CSCO) just upgraded and surging some 7.12% before the bell offers investors the best chance to lead stocks out of their slump. This after the Dow (^DJI) and S&P 500 Index (^GSPC) each sank for second straight day to touch three and a half month lows while Nasdaq (^IXIC) briefly entered correction territory.    Home Depot (HD) up 3.63% to its highest level since April 2000 did its best to lift the gloom with the Atlanta outfit attributing robust results ...