Tesla teases the Model Y. Source: Tesla.

Tesla's onslaught of announcements is starting to make analysts wonder if customers are losing interest in its cars. CEO Elon Musk said Sunday that Tesla's upcoming Model Y crossover vehicle will be unveiled on March 14. While it could be a great vehicle with high demand, RBC analyst Joseph Spak said the timing of the announcement raises concerns. Musk tweeted the news days after the company made considerable price cuts to its other models and said Tesla needs to close some showrooms and cut sales staff. It also spent nearly $1 billion paying off debt last week. On Thursday, Tesla unveiled its long-awaited $35,000 Model 3, reduced prices on upgrades to its Autopilot automated driver assistance system and made significant price cuts to its Model S and Model X vehicles after saying it will only sell its vehicles online to lower costs. Its shares fell nearly 8 percent Friday and slid by another 3 percent in midday trading Monday.

All of this suggests Tesla is rushing to strengthen demand for its products, which could be waning in the U.S., Europe and China, Spak told investors in a research note Sunday. "A Model Y announcement so shortly after the $35k [Model 3] suggests that consumer reaction toward the $35k Model 3 may not have been as strong as the company had hoped," Spak said. "We believe there has been a fall- off in U.S. demand and softer than expected demand in Europe/China." The price cuts on Tesla's three models, the X, S and 3, backs up the idea that demand has softened, he added. It is important to note that Musk has teased mid-March as a possible date for the unveiling of the Model Y before. He had said as far back as May 2018 that the Y could be revealed on March 15. "I just made that up, because the Ides of March sounded good," Musk said on Twitter. Musk tweet Investors have long worried about whether Tesla can sustain interest in its cars at their current high prices. Tesla is somewhat boxed in by the need to keep prices high enough to recoup its massive investments and turn a profit, while keeping them low enough to compete with bigger manufacturers that are pouring money into electric vehicles.