European equity trading mainly takes place in electronic order-driven systems. In those systems two groups of traders post their orders. One group makes liquidity by submitting limit orders while the other takes liquidity by submitting market orders. A high degree of liquidity is widely seen as...

This study examines the impact of corporate earnings announcements on trading activity and speed of price adjustment, analyzing algorithmic and non–algorithmic trades during the immediate period pre– and post– corporate earnings announcements. We confirm that algorithms react faster and...