By Sam Elliott-Gibbs A man who made almost $1.8 million (£1.42m) in illegal profits after listening in on his executive wife’s phone calls has been charged with insider trading \- and was served divorce papers weeks later. Tyler Loudon, a 42-year-old from Houston, Texas discovered evesdropping on private conversations can be costly after he overheard parter Emily Kraus – a mergers and acquisitions manager at BP – conducting internal discussions over the telephone whilst working from home. He pleaded guilty to securities fraud for buying and selling stocks based on details gleaned from his wife…