public static void printMA(List<MovingAverage> ma1List, List<MovingAverage> ma2List) {
		for( int i=0; i<ma1List.size(); i++ ) {
			MovingAverage ma1 = ma1List.get(i);
			MovingAverage ma2 = ma2List.get(i);
			if( ma1.getValue() != null && ma2.getValue() != null ) {
				System.out.printf("%s,%s,%.2f,%.2f,%.2f\n", ma1.getSymbol(), 
						Utils.formatDate(ma1.getDate()), ma1.getValue(), ma2.getValue(),
						ma1.getValue().subtract(ma2.getValue()));
			}
		}
		System.out.println();
	}