Markets react as Russia attacks Ukraine: Stocks, energy, currency, commodities, ETFs and more

U.S. stock index futures: Contracts tied to the Dow fell 2.2%, or down 720 points; the S&P 500 and Nasdaq are down 2.2% and 2.8%, respectively. Global markets: Europe: FTSE 100 -2.3%; CAC 40 -2.9%; DAX -3.3%. Asia: Nikkei -1.8%; Hang Seng -3.3%; Shanghai -1.7%; Sensex -3.7%. Over in Russia: The ruble was trading at 89.8903, down more than 10% versus the dollar. Moscow has announced a currency intervention and has also suspended trading on all its markets. Yields on Russian benchmark 10-year OFZ ruble bonds hit 10.93%, their highest since early 2016. Russian ETFs: Expect a bloodbath when premarket trading kicks off in the U.S. at 4 a.m. ET. RSX, RUSL, RSXJ and ERUS. Energy: Dutch gas futures, a European benchmark, surged as much as 30% to €115 a megawatt-hour, while natural gas futures (NG1:COM) in the U.S. traded up 6% at $4.87/mmbtu. WTI crude (CL1:COM) is now up nearly 7% to over $98/bbl, while Brent crude (CO1:COM)has touched