It was a volatile month for ASX 200 shares… Which ASX sectors led the pack in March, according to Macquarie? You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources , and more. Learn More The S&P/ASX 200 Index (ASX: XJO) fell 3.4% in terms of total returns in March, with defensive stocks outperforming growth shares. In a new note, top broker Macquarie said the market de-rated in March "as investors anticipate the impact…