The company will conduct a big reverse stock split next week. Here's why that's worrying investors.Shares of electric truck maker Nikola (NKLA -21.98%) were trading sharply lower on Thursday morning, after the company said in a regulatory filing that that it will conduct a 1-for-30 reverse stock split next week.As of 10:30 a.m. ET, Nikola's shares were down about 23.3% from Wednesday's closing price. Nikola's reverse stock split will be more dramatic than expectedThe upcoming reverse stock split isn't exact ...