Citigroup downgrades National Grid from "buy" to "neutral" while others maintain favorable ratings.

Citigroup has downgraded National Grid (NYSE: NGG) from "buy" to "neutral," while other firms like Goldman Sachs and Deutsche Bank have issued more favorable ratings. National Grid, which operates in electricity and gas transmission, has a market cap of $52.76 billion and a price-to-earnings ratio of 13.57. Despite Citigroup's downgrade, the stock retains a consensus "Moderate Buy" rating, with hedge funds increasing their stakes.