Quantum Computing (QUBT) News Today $21.41 +1.20 (+5.94%) Closing price 04:00 PM EasternExtended Trading$21.25 -0.16 (-0.75%) As of 06:22 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Why Is Quantum Computing Up Today?Toggle Visibility of Why Is Quantum Computing Up Today?Quantum Computing Inc. (NASDAQ:QUBT) shares are trading higher today after absorbing a slate of mixed news over the past two days. The stock initially plunged on the announcement of a $500 million share sale and private placement—which triggered sell-offs and even a class-action warning—before rebounding on bullish options activity and an encouraging cash-rich Q2 update. Positive Sentiment: Bulls scored a 308% gain on a September 17 call recommendation, underscoring strong options-driven demand for QUBT. Bulls Enjoy Sizable Gains Thanks to Quantum Computing Stock Positive Sentiment: The stock gapped up in midday trading, reflecting renewed buying interest after Monday’s sell-off. Quantum Computing (NASDAQ:QUBT) Shares Gap Up - What's Next? Positive Sentiment: Q2 results showed a $349 million cash balance, reduced liabilities, and plans for hiring, foundry scaling and commercialization. QUBT Prepares for Aggressive Growth With Robust Capital Position Negative Sentiment: The announcement of a $500 million share sale prompted a 13.15% one-day drop, halting a four-day winning streak. Quantum Computing (QUBT) Slashes 13% on $500-Million Share Sale Negative Sentiment: Shares fell 13.1% on investor concerns about dilution from the private placement. Quantum Computing (NASDAQ:QUBT) Shares Down 13.1% - What's Next? Negative Sentiment: Shares gapped down in early trading on renewed fears over share dilution. Quantum Computing (NASDAQ:QUBT) Shares Gap Down - Here's Why Negative Sentiment: The stock fell sharply after unveiling the $500 million private placement. Quantum Computing stock falls after $500 million private placement Negative Sentiment: Analysts pointed to the follow-on offering as the driver of a double-digit slide. Why Quantum Computing Inc. Stock Was Sliding Double Digits Today Negative Sentiment: Barron’s highlighted a 16% tumble following the private placement announcement. Quantum Computing Tumbles 16%. What Is Sending the Stock Lower. Negative Sentiment: Pre-market futures trading showed QUBT among names moving lower ahead of the open. American Battery Technology, Quantum Computing, CEA Industries And Other Big Stocks Moving Lower In Monday's Pre-Market Session Negative Sentiment: Investors were alerted to a potential class-action lawsuit over federal securities claims. QUBT Shareholders Have the Right to Lead the Quantum Computing Inc. Lawsuit Posted 16m agoAI Generated. May Contain Errors. QUBT Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent September 2025 August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 Time Period Quantum Computing (NASDAQ:QUBT) Shares Gap Up - What's Next?5 hours ago | marketbeat.comQuantum Computing (NASDAQ:QUBT) Shares Down 13.1% - What's Next?September 22 at 7:16 PM | marketbeat.comQuantum Computing (NASDAQ:QUBT) Shares Gap Down - Here's WhySeptember 22 at 1:46 PM | marketbeat.comQuantum Computing stock falls after $500 million private placementSeptember 22 at 12:58 PM | za.investing.comWhy Is Quantum Computing Stock Falling Today?September 22 at 12:58 PM | msn.comQuantum Computing Tumbles 16%. What Is Sending the Stock Lower.September 22 at 9:51 AM | barrons.comAmerican Battery Technology, Quantum Computing, CEA Industries And Other Big Stocks Moving Lower In Monday's Pre-Market SessionSeptember 22 at 8:18 AM | benzinga.comQUBT Shareholders Have the Right to Lead the Quantum Computing Inc. Lawsuit - Contact the DJS Law Group to Discuss Your Rights - QUBTSeptember 22 at 5:20 AM | prnewswire.comQuantum Computing Inc. Announces $500 Million Oversubscribed Private Placement of Common Stock Priced at the Market Under Nasdaq RulesSeptember 21 at 10:55 PM | prnewswire.comQuantum Stocks Rally: RGTI, QUBT, IonQ Lead Double-Digit Rally on Speculation BuzzSeptember 21 at 2:39 AM | finance.yahoo.comQuantum Computing Target of Unusually High Options Trading (NASDAQ:QUBT)September 21 at 2:21 AM | americanbankingnews.comBetter Quantum Computing Stock: D-Wave Quantum (QBTS) vs. Quantum Computing (QUBT)September 20 at 9:15 AM | fool.comQuantum Computing stock rises 26% - here's what's boosting it's growthSeptember 19, 2025 | economictimes.indiatimes.comQuantum Computing (NASDAQ:QUBT) Trading 26.8% Higher - Still a Buy?September 19, 2025 | marketbeat.comTraders Buy Large Volume of Quantum Computing Call Options (NASDAQ:QUBT)September 19, 2025 | marketbeat.comQuantum Computing Is Skyrocketing Today -- Is the Stock a Buy Right Now?September 19, 2025 | fool.comQuantum Computing (NASDAQ:QUBT) Sees Large Volume Increase - Time to Buy?September 19, 2025 | marketbeat.comQuantum Computing Stock Is Roaring 23% Higher. Here's What's Fueling QUBT's RiseSeptember 19, 2025 | 247wallst.comWhy Quantum Computing Stock Keeps Going UpSeptember 19, 2025 | fool.comLake Street Initiates Coverage of Quantum Computing (QUBT) with Buy RecommendationSeptember 19, 2025 | msn.comCheck Out What Whales Are Doing With QUBTSeptember 19, 2025 | benzinga.comWill Buying QUBT Below $18 Make Investors Rich?September 19, 2025 | fool.comQuantum Computing (NASDAQ:QUBT) Now Covered by Analysts at Lake Street CapitalSeptember 19, 2025 | americanbankingnews.comQuantum Computing (NASDAQ:QUBT) Trading 3.6% Higher - Still a Buy?September 18, 2025 | marketbeat.comQuantum Computing initiated with a Buy at Lake StreetSeptember 18, 2025 | msn.comInsider Selling: Quantum Computing (NASDAQ:QUBT) Director Sells 5,000 Shares of StockSeptember 18, 2025 | insidertrades.comLake Street Capital Initiates Coverage on Quantum Computing (NASDAQ:QUBT)September 18, 2025 | marketbeat.comFocus Financial Network Inc. Purchases 64,570 Shares of Quantum Computing Inc. $QUBTSeptember 18, 2025 | marketbeat.comQUBT Shareholders Have the Right to Lead the Quantum Computing Inc. Lawsuit - Contact the DJS Law Group to Discuss Your Rights - QUBTSeptember 18, 2025 | prnewswire.comQuantum Computing (NASDAQ:QUBT) Stock Price Up 5% - Time to Buy?September 17, 2025 | marketbeat.comRobert Fagenson Sells 5,000 Shares of Quantum Computing (NASDAQ:QUBT) StockSeptember 17, 2025 | marketbeat.comInsider Selling: Quantum Computing (NASDAQ:QUBT) Director Sells 15,000 Shares of StockSeptember 17, 2025 | marketbeat.comQuantum Computing (NASDAQ:QUBT) Director Sells $468,900.00 in StockSeptember 17, 2025 | marketbeat.comQuantum Computing (NASDAQ:QUBT) Director Robert Fagenson Sells 35,000 SharesSeptember 17, 2025 | marketbeat.comQuantum Computing (NASDAQ:QUBT) Trading Down 4.2% - Should You Sell?September 16, 2025 | marketbeat.comQuantum Computing (NASDAQ:QUBT) Trading Up 7.2% - Should You Buy?September 14, 2025 | americanbankingnews.comQuantum Computing (QUBT) Reports Q2 Sales Decline to US$0.06 MillionSeptember 13, 2025 | finance.yahoo.comWhy Quantum Computing (QUBT) Is Up 12.6% After Landmark $332 Million Bank Cybersecurity DealSeptember 13, 2025 | finance.yahoo.comQuantum Computing (NASDAQ:QUBT) Shares Up 7.2% - Here's What HappenedSeptember 13, 2025 | marketbeat.comIntrua Financial LLC Acquires Shares of 48,105 Quantum Computing Inc. $QUBTSeptember 13, 2025 | marketbeat.comQuantum Computing (NASDAQ:QUBT) Stock Price Down 1.4% - Should You Sell?September 11, 2025 | marketbeat.comMIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Acquires New Shares in Quantum Computing Inc. $QUBTSeptember 11, 2025 | marketbeat.comJavad Shabani Sells 17,474 Shares of Quantum Computing (NASDAQ:QUBT) StockSeptember 9, 2025 | marketbeat.comQuantum Computing (NASDAQ:QUBT) Director Javad Shabani Sells 20,000 SharesSeptember 9, 2025 | marketbeat.comJavad Shabani Sells 17,474 Shares of Quantum Computing (NASDAQ:QUBT) StockSeptember 9, 2025 | insidertrades.comPharVision Advisers LLC Invests $171,000 in Quantum Computing Inc. $QUBTSeptember 8, 2025 | marketbeat.comInsider Selling: Quantum Computing (NASDAQ:QUBT) CEO Sells 1,000,000 Shares of StockSeptember 6, 2025 | marketbeat.comIs Quantum Computing Inc. (QUBT) Stock a Buy?September 6, 2025 | fool.comYuping Huang Sells 1,000,000 Shares of Quantum Computing (NASDAQ:QUBT) StockSeptember 6, 2025 | insidertrades.comMarketBeat Week in Review – 09/01 - 09/05 (QUBT)Stocks rallied to end the week as a weaker-than-expected August jobs report all but cemented an interest rate cut later this month...September 6, 2025 | marketbeat.com Get Quantum Computing News Delivered to You Automatically Sign up to receive the latest news and ratings for QUBT and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. 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