By Amruta Khandekar and Devik Jain (Reuters) -U.S. stock indexes struggled for direction on Monday, with focus shifting to Tuesday’s midterm elections that will determine control of Congress, while shares of Meta Platforms jumped on a report of job cuts at the Facebook parent. Republicans have picked up momentum in polls and analysts see a split government, with the GOP winning the House of Representatives and possibly the Senate, as the likely outcome possibly hindering Democratic President Joe Biden’s agenda. “The history of midterm elections tends to usher in gridlock, and markets are leani…