Shares of Buffalo Wing Wings soaring Tuesday after news private equity firm Roark Capital made a $2.3 billion offer to buy the company. And streaming services provider Roku seeing its shares jump for a second straight day, as the company strikes a licensing deal to supply its technologies to Philips smart TVs. But it's not all good news: Dick's Sporting Goods saw its shares drop after the sporting goods retailer said profit next year would be down as much as 20 percent.