U.S. Stock Market Opens Higher on June 29; MSTR Jumps 5.37%, SpaceX Gains 3%; Rocket Lab to Acquire Iridium for $54 Per Share

According to BlockBeats, on June 29, the U.S. stock market opened higher, with the Dow Jones up 0.23%, the S&P 500 up 0.5%, and the Nasdaq up 0.8%. Among key gainers, MSTR surged 5.37% following favorable pre-market announcements, while SpaceX, newly added to an index today, rose 3%. In artificial intelligence stocks, CBRS climbed 5% after OpenAI announced the upcoming July launch of GPT-5.6 Sol on Cerebras hardware; NBIS gained 8.28%.

Rocket Lab agreed to acquire satellite communications company Iridium at $54 per share, with Rocket Lab shares up over 9% and Iridium shares up over 20%.