When all else fails... *APPLE WILL JOIN THE DOW JONES INDUSTRIAL AVERAGE, WSJ SAYS Prepare for unknown craziness as the world's largest and most-owned stock will dominate another index (along with Goldman as we noted previously). *APPLE TO REPLACE AT&T IN DJIA AFTER CLOSE OF TRADING MARCH 18 *INDEX CHANGE PROMTED BY VISA 4:1 STOCK SPLIT *S&P: ADDING APPLE TO INDEX TO HELP PARTLY OFFSET WEIGHTING CUT The reaction...