1. Biogen Inc.(BIIB) 섹터 Healthcare 산업 Drug Manufacturers-General 주가 https://finance.yahoo.com/quote/BIIB?p=BIIB&.tsrc=fin-srch IR https://investors.biogen.com/ SEC https://www.sec.gov/edgar/browse/?CIK=875045&owner=exclude 2. Twitter Inc.(TWTR) 섹터 Communication Services 산업 Internet Content & Information 주가 https://finance.yahoo.com/quote/TWTR?p=TWTR&.tsrc=fin-srch IR https://investor.twitterinc...
