Sweetgreen surges 76% in its debut

Los Angeles-based salad chain Sweetgreen surged 76% in its public debut yesterday and opened at $52 a share, much higher than the marketed range of $23 to $25 per share. The company ended its first day of trading with a market value of more than $5.5 billion. The start-up raised $364 million by selling 13 million shares. 

Founded in 2006, Sweetgreen was last valued at $1.78 billion after closing a $156 million Series J round in January.