S&P 500 will 'unequivocally' soar higher than its recent record by the end of the year, Piper Sandler senior technical analyst says

· *Craig Johnson, Piper Sandler senior technical research analyst, said the S&P 500 will continue to gain following its record high on Tuesday. *
· *Johnson told CNBC that charts of lumber, oil, and industrial metals show that the economy is improving. *
· *The analyst said one of the "key factors" for portfolio managers...