Top Performing Industries For January 30, 2015 By: Benzinga via Benzinga January 30, 2015 at 10:49 AM EST At 10:30 am, the Dow dropped 0.48% to 17,333.17, the broader Standard & Poor's 500 index moved down 0.59% to 2,009.30 and the NASDAQ ... Read More >> Related Stocks: Amazon.com Google, Inc. Synaptics Inc