A big EV investment and reverse stock split have investors interested in Nikola stock today.Big news in the electric vehicle (EV) sector led to gains in several names today. Electric heavy truck maker Nikola (NKLA 3.58%) was one of them. Shares jumped as much as 16% in early Wednesday trading.The stock lost most of those gains, but still traded higher by 3.4% on the day as of 3:30 p.m. ET. There were two news items that investors were likely balancing as they traded shares in the struggling EV stock today.O ...