CNBC.com’s MacKenzie Sigalos brings you the day’s prime enterprise information headlines, and what to look at because the coronavirus pandemic continues to maintain most of America on lockdown. On at this time’s present, CNBC’s Michael Sheetz explains what’s at stake in tomorrow’s historic SpaceX launch of two NASA astronauts. Plus, the newest on the event of a coronavirus vaccine as heavyweight Merck jumps into the race.This is every part else missed.Dow rallies 500 factors as Wall Avenue cheers on the economic system reopening, JPMorgan jumpsStocks surged on Tuesday, including to their sturdy beneficial properties from final week, as optimism grew in regards to the reopening of the economic system and a possible coronavirus vaccine.The Dow Jones Industrial Common gained 529.95 factors, or 2.2%, to shut at 24,995.11. The 30-stock common briefly traded above 25,000 for the primary time since early March earlier than closing just under the mark. Merck in collaboration to develop coronavirus vaccine, with scientific trials to start out this yearU.S. drugmaker Merck on Tuesday stated it plans to work alongside nonprofit scientific analysis group IAVI to develop a possible vaccine in opposition to the coronavirus.The information helped ship Merck shares up about 3% through the premarket.The announcement comes as drugmakers pause different scientific trials and scramble to seek out an antidote for Covid-19, which has contaminated greater than 5.5 million folks worldwide and killed over 346,000.Every little thing you have to find out about SpaceX’s historic Demo-2 launch, its first with NASA astronautsSpaceX is ready for its most essential milestone, a launch that may nicely outline the way forward for the U.S. area program.Elon Musk’s firm plans to launch two NASA astronauts on Wednesday — the primary crewed mission in SpaceX historical past. The mission, referred to as Demo-2, is technically the ultimate check flight of the corporate’s spacecraft. Whatever the nature of the mission, Demo-2 would be the first launch of NASA astronauts from the U.S. since 2011.”It is a new technology, a brand new period in spaceflight,” NASA administrator Jim Bridenstine stated.