Check out the companies making headlines before the bell: JPMorgan Chase (JPM) – JPMorgan Chase was down 2.9% in premarket trading after falling 12 cents shy of estimates with a quarterly profit of $2.76 per share. It also announced it was temporarily suspending share buybacks. CEO Jamie Dimon said inflation, waning consumer confidence and other factors were likely to have a negative effect on the global economy. Morgan Stanley (MS) – Morgan Stanley reported quarterly earnings of $1.39 per share, 14 cents shy of consensus estimates, with the investment bank’s revenue also falling short. The bank saw weaker investment banking...