Hotel chain Extended Stay America priced its IPO at $20 per share and went public Wednesday. Shares now trade on the NYSE under the symbol STAY. The company ended its public market debut up 19% at $23.87, putting its value at around $4.8 billion. Extended Stay owns and operates almost 700 company-branded hotels across the U.S. and Canada. The Blackstone Group, Centerbridge Partners and hedge fund Paulson & Co. bought the company out of bankruptcy in 2010 for $3.925 billion. The three firms are estimated to almost triple their investment with the offering.