shares of tesla inc tsla are on their way thursday to their highest close since jan 18 when they closed at 103051 extending gains to an eighth straight session the stock has gained more than 30 over that stretch which included good news for the electriccar maker such as the opening of its berlin germany factory and ongoing unease about high gasoline prices pushing more people to consider an ev tesla shares are up more than 16 so far this month with march on pace to be the stocks best month since october 2021 when it rose 44 the stock is up more than 60 in the last 12 months compared with an advance of around 16 for the sp 500 index spx  it is off nearly 18 however from its record closing high of 122991 hit on nov 4