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As SpaceX and Deep Fission go public and Anthropic and OpenAI look to follow, learn these rules for how to invest in IPO stocks.
Space Exploration Technologies' (SPCX) planned $60 billion all-stock acquisition of AI coding platfo
Investors weigh execution risks and index inclusion support after SpaceX's volatile first trading week.
Charles Schwab handled 140,000 client calls as SpaceX's record IPO fueled heavy retail activity.
The post-IPO run-up had drawn scrutiny from analysts concerned about whether SpaceX's fundamentals could eventually support its valuation
Shares of Elon Musk's rockets-to-AI firm SpaceX dropped nearly 9% on Thursday, as the post-IPO frenzy that briefly placed it among the top five most valuable companies of the world appeared to fizzle out. Its shares were last down 8.8% to $174.8, after falling nearly 5% in the last session. Despite the losses, the stock still traded more than 29% above its $135 offering price.
After blasting nearly 50% from its IPO price, SpaceX stock is finally taking a breather.
The former Sequoia Capital managing partner will also serve on SpaceX's audit committee, a filing shows

Rainmaker Securities managing director Greg Martin joins Yahoo Finance to explain how SpaceX's (SPCX) "A-plus" initial public offering (IPO) is paving the way for Anthropic (ANTH.PVT) and OpenAI (OPAI.PVT).
Tom Sosnoff, Chief Executive Officer at LossDog, predicted that Space Exploration Technologies Corp. (NASDAQ:SPCX) stock will head “under 135″—dropping below its initial public offering price—after revealing he locked in rapid profits by selling his own allocation “at 158.” The Post-IPO Prediction Speaking on the episode of The Drift with Benzinga, Sosnoff expressed strong conviction that the newly public aerospace giant is bound for a downward correction before the end of the year. While he dis
SpaceX gave 30% of IPO shares to retail investors, according to reports.
SpaceX's IPO is just the beginning of what will be a closely monitored stock, with many important events over the next six months that investors will want to be aware of.
Future Fund's Gary Black said SPCX had traded more like a "meme stock" than a fundamentals-driven company.
S&P Dow Jones indexes said it won't make any special rule changes to allow SpaceX into the S&P 500.

SpaceX's (SPCX) IPO may be creating a vacuum, and space-themed ETFs are benefitting from the latest phase in the Space Race. Yahoo Finance Markets and Data Editor Jared Blikre looks at the array of thematic space ETFs and how they have been gaining since SpaceX's mega-IPO last Friday.
SpaceX is more of an AI stock than a space stock -- and that's great news for Intel.
ARKK saw record inflows and outflows as investors possibly used ETFs to access SpaceX's IPO.
SpaceX's post-IPO rally lifted Musk's wealth by $620 billion over four trading days, Bloomberg's index showed.
SPACs are making a comeback. A flood of expected blockbuster IPOs this year is creating an opening for SPACs as smaller companies seek to capitalize on a favorable market without having to compete for investor attention against the likes of SpaceX, Anthropic and OpenAI. That is giving blank-check companies renewed footing after years of upheaval, with a more mature SPAC market emerging at a time when mega-IPOs are expected to command an outsized share of investor capital and attention, analysts, market experts and industry insiders told Reuters.
(Bloomberg) -- A series of unusual multibillion-dollar flows has rippled through the exchange-traded fund market in the past week, suggesting some major investors used a contentious method to get exposure to the initial public offering of SpaceX. At least one fund manager placed temporary restrictions on its product in a bid to curb the practice.Most Read from BloombergRead the 14-Point Draft Memorandum Between the US and IranModi Warns of ‘Shortage of Trust’ Ahead of Trump MeetingIran’s Deputy

Interactive Brokers chief strategist Steve Sosnick comes on the Morning Brief to expand on the stock growth that SpaceX (SPCX) has seen just a few trading days since its IPO last Friday.
The deal, expected to close in the third quarter of 2026, values Cursor's parent company Anysphere at $60 billion
SpaceX’s $75 billion initial public offering shattered market records, turned founder Elon Musk into the world’s first trillionaire, and opened fresh debates over corporate valuations and governance. It’s not the first time an IPO has shaken things up. IPOs have been reshaping markets since the Bank of North America’s 1783 debut got it all started for the young republic.
Jason Calacanis said Cursor could become the No. 1 or No. 2 AI coding agent within a year thanks to SpaceX's compute advantage.
While SpaceX continues its stellar post-IPO debut performance, investors should also keep another IPO on their radar.
The space flight competitor is falling while SpaceX is soaring.
Days after raising a record $85.7 billion in its IPO, SpaceX agreed to acquire AI coding startup Anysphere in a $60 billion stock deal, giving Elon Musk a foothold in one of AI’s fastest-growing software markets.

Scott Melker discusses the CFTC, BlackRock's new bitcoin ETF, SpaceX trading like a meme stock, and other big crypto headlines. "The Daily Wolf with Scott Melker" airs every day at 12:00 p.m. Tune in for your daily dose of all things crypto. Make sure to also check out Yahoo Finance's new crypto hub to find the latest crypto-related news.
Shares in SpaceX have rocketed since its hotly-anticipated IPO on Friday and news of the acquisition helped fuel a fresh uplift.