MINYANVILLE ORIGINAL If this is indeed our last week on Earth it is going out with a big bang on Wall Street. The Dow (^DJI) snapped a three-session skid in some style ending up by triple digits amid renewed fiscal cliff optimism. Newtown and Newton dominated the day with a pall cast over proceedings by the terrible events in Connecticut while Apple Inc. (AAPL) proved itself impervious to Sir Isaac’s fundamental rule of gravity ending up 1.77% even as it incurred a ratings reduction. A more upbeat analyst assessment saw JetBlue (JBLU) jump 3.25% on a day the airline distinguished itself with an act of kindness in the face of ...