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U.S. stock futuresThey were unchanged Friday morning, one day following the Dow Jones Industrial AverageThis is its worst session of the yearSlumping 622 points (or 1.8%). It is the S&P 500The NasdaqOn Thursday, the S&P 500 fell 2.1% and 2.9% respectively. The stock sell-off on concerns about the Russia-Ukraine situation put the S&P 500 close to correction territory, not quite down 10% or more from January’s record highs. Further, the Nasdaq fell 15% to 15% below its November highs. Dow dropped around 7% from January’s peak. For the week leading up to Friday’s open, all three benchmark stock stocks were lower.

Tensions are rising between Russia and Ukraine left investors confusedDumping risky assets, and turning into bonds for the safety and security of Thursday and Friday. You can read the rest of this article. 10-year Treasury yieldThe price of a commodity, which is inversely related to its value, fell to 1.97%. Traders are still concerned by the possibility of a spike in inflation. Federal ReservePlans to combat it. St. Louis Fed President James BullardIt is important to note that inflation can’t be achieved if interest rates are not increased. could becomeThis is a serious problem. Bullard called for an increase of a full percentage point by July.

Moscow announcedMassive drills were conducted by the nuclear force Friday in an atmosphere of rising East-West tensions. The U.S. also issued its most explicit warnings to date about how Russia might invade Ukraine. President Joe BidenA day earlier, it sounded strangely serious as he stated that Washington had not seen any indications of Russia’s withdrawal and instead saw more troop massing. U.S. warned Russia could use false claimsAs a pretext to an invasion, they also made assertions regarding the conflict in Eastern Ukraine. In the meantime, both the Russian government and state-controlled media from Ukraine were exchanging new allegations of ceasefire violations.

Virgin GalacticFriday’s announcement by Chamath Palihapitiya, a venture investor would step downHe has now shifted his focus from being chairman and board member for the spaceflight firm to other corporate commitments. Palihapitiya stated last year that he had sold Virgin Galactic shares to free up capital. Virgin Galactic’s premarket price rose by 1%, while it closed lower at 10% the day before. Palihapitiya assisted in taking the stock public two years back in an SPAC deal. The stock has plummeted around 80% over the last 12 months. Richard BransonVirgin Galactic dropped to close to $7 per share within the first months of its launch and reached $62.80 in February 2021.

RokuPremarket shares fell 25% Friday, after video streaming company maker Vidmate saw its quarterly revenues fall below forecasts. It also issued a weaker-than-expected outlookThe reason was higher component prices as well as supply chain disruptions. Stock was down 68% over the past twelve months. Roku saw a pandemic surge when many people stayed at home. But streaming demand has increased as Covid’s curbs have been lifted.

Shake ShackAfter the current quarter forecast by Burger King, shares plunged 15% below estimatesThe fast-spreading CovidTemporary restaurant closings were caused by the omicron-based variant. Shake Shack reported after the bell on Thursday that its sales figures for the quarter ended were in line with estimates, and the per-share loss was smaller than anticipated.

— The Associated Press and Reuters contributed to this report. Sign up now for the CNBC Investing Club to Follow Jim Cramer on every stock trade. You can follow the market like a professional. CNBC Pro.