Shares of Okta Inc OKTA tanked in early trading on Thursday, even after the company reported upbeat second-quarter results.The company reported its results amid an exciting earnings season. Here are some key analyst takeaways. Check out other analyst stock ratings.DA Davidson: Okta reported revenues and earnings of $646 million and 72 cents per share. It beat the consensus of$632.7 million and 61 cents per share, respectively. However, the company's subscription revenue growth decelerated to 17% year-on-ye ...