Citi credit strategist Matt King’s latest report was ominously entitled Stand by for sudden pressure loss. In it, he attributed recent market strength to the Federal Reserve’s monetary stimulus designed to quell U.S. banking system upheaval. The problem for investors is that the stimulus is set to be reversed, and the process is likely to drag stocks lower. Mr. King has (somewhat famously) attributed a significant portion of post-financial crisis asset price gains to central bank monetary stimulus. He frequently publishes a chart showing a strong correlation between changes in balance sheet assets for the Federal Reserve, European Central Bank,…