(Image source: forbes) Stifel Nicolaus, the full service brokerage and investment firm came out with their first recommendation on LinkedIn Corp (NYSE:LNKD), which was a buy rating. The firm believes that the professional online networking site is playing a huge in facilitating employment to professionals seeking work. LinkedIn is increasingly become an intricate part of a professionals life. Stifel Nicolaus has a price target of $300 a share on the stock. Year-to-day, the stock is up an astonishing 96 percent.