func chartViewStockClose(with timeFrame: TimeFrame) {
		print("chartViewStockClose called") // Debug
		
		// generate some sample close values
		var closeVals: [Double] = []
	
		// steep curve
		closeVals = [10, 16, 12, 15, 14, 13, 11]
		
		// shallow line
		//closeVals = [10, 11, 12, 13, 14, 15, 16]
		
		closeVals.forEach { v in
			ArrayStockClose.append(("", v))
		}
		
		initializeGraph()
	}