FTSE 100 opens lower after sell offs in Asia and the US.US Consumer confidence takes a battering with a fresh Eurozone reading out later.Trading set to stay tough for retailers as consumers stay cautious.Sales fall 2.2% at B&M European Value Retail SA (LON:BME) amid signs shoppers are tightening their belts.Loyal customers help Moonpig Group PLC (LON:MOON) stay resilient despite 17% fall in revenues year-on-year.Q1 2022 hedge fund letters, conferences and more Consumer Confidence Rattles Markets”With signs that consumer confidence is seeping away, worries that global growth will go down the dr…