Big banks in Europe are preparing for an energy crisis as Russia tightens the gas taps, per Reuters. JPMorgan may use diesel generators, while Deutsche Bank turned off fountains and hot water. The insurer Zurich said it could close its gym and some office floors if the situation worsens. Major banks across Europe are implementing measures in the workplace to cut down on energy consumption as Russia tightens its gas supply to the continent. The Kremlin shut off its natural-gas flow to Europe via the key Nord Stream 1 pipeline last week and said it wouldn't reopen it until the...