
Core Insights - Nebius Group NV (NASDAQ:NBIS) is experiencing significant stock performance, with shares up 21% to $66.80, marking a potential best single-session gain ever for the company [1][2] - The company reported second-quarter earnings and revenue that exceeded estimates, with revenue increasing by 625% year-over-year [1] - DA Davidson raised its price target for NBIS from $55 to $65 following the earnings report [1] Stock Performance - NBIS shares reached a four-year high of $70.54 and are currently up 141% in 2025 [2] - Prior to the recent surge, the stock had support at its 40-day moving average [2] - There is potential for a short squeeze, with short interest increasing and 13.76 million shares sold short, accounting for 7.1% of the total available float [2] Options Activity - Call options trading is notably high, with over 208,000 contracts traded, which is seven times the average intraday volume [3] - The August 71-strike call is the most popular among options traders, indicating expectations for the stock to reclaim that level by the end of the month [3]