More startup employees are selling their shares on secondary markets like SecondMarket, according to SecondMarket. It’s because they’re taking longer to go public. The company published a report listing the “hottest” startup stocks, noting that Codecademy, Kiip, Good Technology, Sonos, Coursera, Addepar, RocketFuel, Fancy and Coupa were all highly desired. [Source: GigaOm]