Is Tesla Stock a Buy Ahead of Earnings?

With shares down substantially this year, now is a good time to take a look at the stock.It's a great time to take a closer look at Tesla (TSLA -0.65%) stock. Not only are the electric-car company's shares trading substantially below the levels they started the year at, but we also have fresh information on how the company's new vehicles are selling. In addition, Tesla's second-quarter earnings report is due later this month, so it makes sense to have some context going into the important update.Unfortunate ...