STOCKS SOAR: Here's what you need to know

US stocks rallied big on Tuesday, even shrugging off North Korea's latest missile test during the trading session. 
Here's the scoreboard: 
Dow: 23,836.71, +255.93, (1.09%)
S&P 500: 2,627.04, +25.62, (0.98%)
Nasdaq: 6,912.36, +33.84, (0.49%)Roark Capital Group, the owner of Arby's and Cinnabon, has agreed to buy Buffalo Wild Wings for about $2.9 billion. The private-equity firm will pay $157 a share in cash for Buffalo Wild Wings, which is 34% above t