The Commodity Daily Report from April 20, 2015, presents market updates for various commodities, indicating an increase in gold and copper futures while crude oil futures decline due to profit booking. Gold saw a rise of 0.63% to Rs 26,812 per 10 grams, while crude oil fell by 1.83% to Rs 3,494. Technical updates suggest potential price corrections for gold and silver, while crude oil prices are expected to drop further.