Throughout the trading week on Stockpickr Answers, investing professionals answer questions posed by members of the Stockpickr community.

TheStreet.com Ratings Senior Financial Analyst David MacDougall answered questions on Thursday. Recently on TheStreet.com, MadDougall wrote about the 30 top-rated stocks by TSC Ratings, which include Gilead ( GILD), Sohu.com ( SOHU) and DeVry ( DV).

Here are some questions from the Stockpickr community that MacDougall answered on Thursday.

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