Tesla's stock was slipping 0.3% in recent premarket trading ahead of earnings, and if history is any guide, that means tomorrow will more likely be another down day. Over the past 12 quarters, the sto

Tesla stock opened up 5.5% at $410.50 before slipping. The initial rise was a surprise for two reasons. For starters, earnings were relatively weak and guidance was “vague,” according to Morgan Stanley analyst Adam Jonas.