US Stock Futures Flat Ahead Of Manufacturing PMI By: Benzinga via Benzinga June 23, 2014 at 07:41 AM EDT Pre-open movers US stock futures traded mostly flat in early pre-market trade, ahead of economic data. The Chicago Fed National ... Read More >> Related Stocks: Avago Technologies Clovis Oncology Inc Helmerich & Payne HudBay Minerals Trevena Inc