Wall Street awaits Pfizer earnings; Ukraine weighs By: CNBC.com News May 05, 2014 at 05:21 AM EDT U.S. stock index futures pushed lower on Monday, as shares in Europe fell on concerns about escalating violence in Ukraine. Read More >> Related Stocks: American International Group Astrazeneca Plc ADR Barclays Plc ADR Pfizer Sentinelone Inc Cl A Sysco Corp
