Check out which companies are making headlines ahead of the bell Friday:
Boston Beer - Jefferies initiated coverage with a "buy" rating.
Costco Wholesale - The warehouse retailer was little moved after BMO Capital Markets initiated coverage with an "outperform" rating.
Goldman Sachs Group - The investment bank fell in pre-market trading after it reported a 7 percent decline in quarterly profit.
Intel - The maker of computer chips edged higher in pre-market trading after reporting quarterly results that initially drew a poor response from investors.
Lululemon Athletica - Bernstein Research initiated coverage of the maker of yoga wear to "outperform," and started coverage of two other specialty retailers, L Brands and Gap, with a "market-perform" view.
Michael Kors - Bernstein began coverage of the accessible-luxury retailer with an "outperform" rating, and Tiffany and Coach with "market-perform" ratings.
Netflix - The supplier of streaming video rose in pre-market trading after Cowen upgraded its shares to "outperform" from "market perform."
T.J. Maxx - Bernstein Research started coverage of the off-price retailer with an "outperform" rating, and initiated coverage of competitor Ross Stores with a "market perform" rating.
Twenty-First Century Fox - Stifel Nicolaus initiated coverage of the media-and-entertainment company with a "buy" rating.
Data also provided by 
