Rocket Lab (NASDAQ:RKLB) shares are up during Friday's premarket session. The rally came as the company's move is directly tied to SpaceX's historic Nasdaq debut on Friday.Apart from this, the company disclosed that it is joining the Nasdaq-100 Index on Friday.This milestone, effective prior to market open on June 22, 2026, marks a significant achievement for Rocket Lab. It will be positioned among the 100 largest non-financial companies listed on the Nasdaq Stock Market.Notably, the company has completed over 80 successful launches and is recognized for its innovative launch services and spacecraft systems.RKLB Technical Outlook: Key Levels And MomentumThe stock's recent performance shows a 12-month gain of 334.77%, indicating strong long-term momentum. Currently, Rocket Lab is trading 3.1% below its 20-day simple moving average (SMA) of $126.42, while it is 22.5% above its 50-day SMA of $100.00. The 20-day exponential moving average (EMA) stands at $117.28, suggesting that the stock is currently experiencing some upward pressure.The primary momentum indicator, the Relative Strength Index (RSI), is at 50.26, indicating a neutral position. This suggests that the stock is neither overbought nor oversold, which may imply that it has room to move in either direction.Key Resistance: $126.42 — This level is significant as it aligns with the 20-day SMA, which could act as a barrier for upward movement.Key Support: $100.00 — This level is crucial as it represents the 50-day SMA, which has historically provided support during pullbacks.Rocket Lab Earnings Preview And Analyst Price TargetsRocket Lab is slated to provide its next financial update on August 6, 2026 (estimated).