Nvidia is seesawing after beating big on earnings and revenue (NVDA)

Nvidia beat Wall Street's expectations for the first quarter of 2018 on both revenue and earnings-per-share.
Shares first rallied post-market before trading lower. 
The stock hit an all-time high during Thursday's session. 
Nvidia shares are far outpacing the tech-heavy Nasdaq Composite this year. 
Follow Nvidia’s stock price in real-time here
Nvidia reported first-quarter earnings after the closing bell Thursday, and it beat Wall Street's expectations handily. The stock ini