Originally published on Best Stocks Source: Getty ImagesIn the middle of a historic bull rally, Tesla stock price has made the company an attractive investment for many. However, some argue whether it is time to buy the electric car maker’s stock now or wait for the announced split. After all, Tesla’s profitability remains elusive, and many analysts point out the risk of a bubble.Tesla’s latest results are enough to convince investors that Tesla stock is worth buying. Record deliveries were made by Tesla in the fourth quarter. The company delivered 308,600 vehicles, exceeding analysts’ estimates of 267,000. The company also had 936,172 cars for the entire year, which was well above expectations of 897,000.Solid production and delivery drove sterling financial results. Fourth-quarter revenue of $17.7BILLION grew 65% year-over-year. Operating expenses fell by 50% while profit dropped more to the bottom line, driving adjusted net income up to $2.88 Billion, a 219% increase. Tesla’s growth in profit margins is a sign that it has scale.Recent developments indicate that this may be only the beginning. Tesla stated last year that it expected to see 50% annual growth in vehicle delivery “over a multiyear horizon,” a prediction it repeated in its latest quarter. Tesla can achieve that outlook with both the Texas Gigafactory in Berlin.Tesla (NASDAQ: TSLA), one of Wall Street’s most recognizable and closely monitored corporations, is a household name. Tesla has transformed the public’s perceptions of electric cars (EVs), and purchasing its shares after the announced stock split is a good investment idea.Since the company regularly makes headlines for its achievements, investors shouldn’t be shocked that Tesla proposes a second stock split less than two years after the initial stock split.Tesla second stock splitSource: Getty ImagesTesla stock split for the first time in 2020. When the second split announcement was made, the stock price had outperformed the entire market.Stock prices could rise further in the days following the split and a few more days after that. The stock price trended in a similar direction to the first stock split announcement. Tesla shares plunged by 30% in the first eight days following the first stock split before rebounding and continuing its steady climb.Tesla stock price increased by 157% in the five months following the stock split announcement in August. However, the stock plunged by 25% after the stock split effect. This lesson shows that investor emotions are not enough to drive upwards of a stock’s long-term performance.The company hasn’t yet announced the specific date or the split ratio of the new stock split.