Recent history has shown that Russian leaders aren’t afraid to help themselves to companies they covet. And with the country’s cash squeeze growing, stock investors are worrying about which one could fall next. OAO Surgutneftegas is a name that many keep coming back to. The oil producer is sitting on $36 billion, a cash hoard that would go a long way to alleviating the financing squeeze at state-run energy company OAO Rosneft. Locked out of U.S. and European capital markets by international sanctions tied to the Ukraine conflict, Rosneft needs to pay back $19.5 billion of debt maturing this year. Surgut is hovering near a record low , having sunk 33 percent in New York trading since crude prices began plunging in June. Analysts at BCS Financial Group and UralSib Financial Corp. cite President Vladimir Putin ’s past takeovers as a key cause for concern. Putin moved to nationalize […]