Rocket Lab shares have added more than a quarter in value this week as the aerospace company inked new launch deals in the burgeoning space tech industry. The stock was flat on Friday, but has surged over 20% this week. Shares were up nearly 50% over the last two weeks and traded near fresh highs on Friday. The stock has nearly tripled since the start of the year. On Friday, the company said it secured two launches with the Japan Aerospace Exploration Agency, scheduled for December and in 2026. Earlier in the week, Rocket Lab announced a multi-launch agreement with Japanese space start Q-shu Pioneers of Space. That's on top of four contracted missions.