In an email over the weekend, Martin said that prior to the ZBT buy signal he had been calling for a short-term rally propelling the S&P 500 to as high as 5,800 - 16% above the index's April 8 low ...

6-month return: 16% 12-month return: 24% Importantly, the S&P 500 essentially trades at the same level on April 28 as when the ZBT signal started flashing on April 25. So, the index will advance ...