Tesla Stock Is Falling Today -- Is This a Buying Opportunity?

Tesla (TSLA -1.87%) stock is moving lower following new European sales tracking data. The electric vehicle (EV) company's share price was down 2.5% as of 2 p.m. ET. Meanwhile, the S&P 500 was down 0.2%, and the Nasdaq Composite was down 0.3%.Tesla's valuation is falling today in response to a Reuters report suggesting that the company's sales struggles are continuing in Europe. According to tracking from the Spanish Association of Automobile and Truck Manufacturers, Tesla's sales in that country sank 36% ye ...