Market Movers rounded up the best reactions from investors and analysts on JPMorgan Chase ‘s stock movement. The experts, including Jim Cramer , discussed how the bank, already the nation’s largest by several measures, acquired most of troubled First Republic Bank’s assets in a weekend auction. Prior to the market’s open Monday, regulators took possession of First Republic , resulting in the third failure of an American bank since March. JPMorgan shares finished the trading day up 2.1%.