Indices closed in the red zone on Thursday. Brands such as Caterpillar and Nike traded lower on the Dow. Stocks slipped on renewed China trade concerns. On another note, initial jobless claims increased last week. Department of Labor data showed new claims rose by 3,000 to 213,000 in the week ended August 25. In other news, nominal personal income ticked up 0.3% in July, versus a 0.4% gain in June.