Israeli military vehicles by Israel’s border with the Gaza Strip, on Sept. 16. Israeli stocks, which powered to successive record highs this year even as its war in Gaza ground on, are coming back down to earth as the country’s international isolation grows. The Tel Aviv Stock Exchange 35 Index fell Tuesday for a fifth straight session, bringing its losses for the period to 2.6%. The selloff deepened after Prime Minister Benjamin Netanyahu acknowledged Israel’s seclusion and underscored the need for self ...