What is 'Covariance'. Covariance is a measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together, while a negative covariance means returns move inversely.
23 September 2016. The heaviest red cabbage weighs 23.2 kg (51.15 lb) and was grown by David Thomas (UK), as verified at the UK National Giant Vegetables Championship in Malvern, UK, on 23 September 2016. David also holds the current record for Heaviest parsnip and Heaviest cucumber.
An amateur gardener has grown the world's biggest potato. The prize potato, grown by Peter Glazebrook, tips the scales at a whopping 8lbs 4oz (3.76kg), smashing the previous world record by 9oz. The vegetable, Peter's Kondor variety, was put on show on Friday at the National Gardening Show in Shepton Mallet, Somerset.