By Bret Kenwell Tesla stock is trading lower after earnings. Here are the must-know levels now. Tesla (TSLA) – Get Tesla Inc Report shares are lower on the day, dropping about 7.5% after the company reported its fourth-quarter earnings. Coming into the session, Tesla shares were trading surprisingly quiet, opening lower by 0.43%. However, the sellers have really leaned into this one. However, the quarter was quite good. Sales and profit surged year over year, as did deliveries. Revenue came in more than $1 billion ahead of consensus estimates, while automotive gross margins were firm at 29.2%….