6 Stocks Moving In Tuesday's After-Hours Session

Gainers

• Trevana Inc TRVN shares are up 16 percent. No news was immediately available.
• Tetraphase Pharmaceuticals Inc TTPH shares are up 6 percent after announcing it has submitted an NDA to the FDA for antibiotic drug Eravacycline. The company also named Larry Tsai as Chief Medical Officer.
• Huntington Ingalls Industries Inc HII shares are up 3 percent on no apparent news. The S&P Dow Jones Indices recently announced the company was set to join the S&P 500.

Losers

• Shell Midstream Partners LP SHLX shares are down over 23 percent. No news was immediately available.
• Carvana Co CVNA shares are down 13 percent. 
• Moneygram International Inc MGI shares are down 8 percent after the company reported the termination of its merger deal with China’s Ant Financial, due to the CFIUS rejected the companies proposals related to protecting personal data.