Nvidia (NVDA) , which is scheduled to report its fiscal-third-quarter ... a move that would extend the stock's six-month gain to around 61.5%.

Redburn Atlantic analyst Timm Schulze-Melander initiated coverage of the stock this week with a "buy" rating. The analyst set the price target at $178, implying upside of 21% over the current share price of $147 at the time of writing.

For what it's worth, Wall Street is overwhelmingly bullish. Among the 65% of analysts who follow Nvidia, 92% rate the stock a buy and the other 8% rate it a hold ahead of the company's third-quarter earnings report. Not a single analyst recommends selling Nvidia at the present time. Here's what investors should know.