Market Snapshot: U.S. stocks drop as Valeant’s meltdown overshadows Ferrari’s debut 21.10.2015 23:58 MarketWatch.com U.S. stocks fail to defend modest gains and close down for a second session on Wednesday as allegations about improprieties at Valeant Pharmaceuticals International Inc. weigh on the S&P 500’s health-care sector and pressure the broader market.
