Trading in the U.S. index futures suggests that Wall Street stocks may open Thursday’s session on a flat note. Most Asian stocks advanced earlier in the global trading day, while the European markets are seeing some profit taking. Crude oil prices have given back some ground, while most base metals are trading firm. The domestic markets could focus on another batch of earnings from noteworthy companies such as Citi (C), Goldman Sachs (GS) and UnitedHealth (UNH), some Fed speeches scheduled for the day and economic data on housing starts, jobless claims and regional manufacturing activity.