Crude prices have stalled around $40 a barrel as traders wait for inventory data that might indicate whether the U.S. economy and demand for oil are indeed rebounding. Read More WSJ.com: Markets...

Market Return Around the Clock: A Puzzle Oleg Bondarenko and Dmitriy MuravyevWorking PaperA version of this paper can be found hereWant to read our summaries of academic finance papers? Check out our Academic Research Insight category What are the research questions? Get your popcorn ready, the...