Tesla slashed the price of the Model Y after 4 months on sale — and nixed plans for a cheaper version of the SUV (TSLA)

· Tesla slashed the price of its Model Y by $3,000, marking the first time the SUV's cheapest option fell below $50,000.
· It's the second major price cut to Tesla vehicles in the four months the Model Y has been on sale. 
· As the company works to sustain its profits, the Model Y — and its margins — will be especially...