In this photo illustration a Reddit logo is seen displayed on a smartphone. Mateusz Slodkowski | Sopa Images | Lightrocket | Getty ImagesReddit, the 19-year-old website that hosts millions of online forums, priced its IPO on Wednesday at $34 a share, the top of the expected range.The offering brought in $519 million, according to a press release, and values the company at close to $6.5 billion. Reddit had planned to price the deal at $31 to $34 a share. Reddit's public market debut on Thursday, ...