Potential breaches of market rules have spiked since traders began working from home in March, drawing scrutiny from regulators and piling pressure on banks to plug “black holes” in surveillance systems, industry officials say. With banks unable to check in person on the behaviour of traders working remotely, they have to rely on machines that flag any apparent bad behaviour or suspicious transactions made under the unusual coronavirus crisis working conditions. “In your kitchen or spare bedroom there is no colleague to monitor what you are up to and what we are seeing across a number of clients is a spike in ... (full story)