https://wccftech.com/tortoise-acquisition-shll-shares-adding-to-their-scorching-gains-from-yesterday-as-investors-front-run-the-spacs-imminent-merger-with-hyliion/ > Tortoise Acquisition Corp. (NYSE:SHLL) has become an extraordinary example of the retail mania gripping one SPAC after another. After rising a whopping 21 percent yesterday, Tortoise Acquisition shares are up around another 10 percent today, currently trading around the $54.37 price level. Year to date, the SPAC’s shares are up a whopping 446 percent! > Tortoise Acquisition (SHLL) Soars Over 25 Percent as Investor Euphoria Reaches Fever Pitch Amid Its Approaching Merger With Hyliion