Tesla stock has been trading at a high nominal price for quite awhile. So what explains the company’s move to split the stock right now?In a stock split, the value of your investment doesn’t change. If you own 100 shares of Tesla stock at $750 per share on the day of the split, for example, you’ll own 300 shares at the new split price of $250 once the transaction goes into effect. In each case, the underlying stock is worth $75,000.While the stock split itself doesn’t change an investment’s valu