 Shares of electric truck manufacturing start-up Nikola Corporation NASDAQ: NKLA put it in first and stomped on the gas this morning, roaring nearly 6 higher in early trading before coasting into 11:30 a.m. EDT still up 4.7. You can thank investment bank Cowen Co. for this -- because Cowen just gave Nikola stock its first rating on Wall Street. Nikolas Badger electric pickup goes on sale for pre-order June 29. 