mideast

Egypt's famed antiquities and tourism sites are reopening following the political unrest there. But heeding warnings from Washington, many American travelers are steering clear of the region for now -- disrupting the tourism industry in both the U.S. and Egypt.

Should it matter to U.S. investors that Middle East stock markets are among the worst-performers this year, with many trading at or near 52-week lows? Hard to know for sure, but here's why this is a development that bears watching.