Five Below, Inc. (NASDAQ:FIVE) shares are trading lower Thursday after the company posted its fourth-quarter financial results and issued guidance. The Details: The company reported quarterly earnings of $3.65 per share, up from $3.07 per share from the same period last year. Quarterly revenue clocked in at $1.34 billion, up from $1.12 billion year-over-year, according to data from Benzinga Pro. Five Below sees first-quarter earnings of between 58 cents and 69 cents per share and revenue in the range of $826 million to $846 million, based on opening approximately 55 to 60 new stores and assumi…