A man from Houston overheard his work-from-home spouse talking business, and used that information to make over $1.7 million in an insider trading scheme, federal authorities said.Tyler Loudon, 42, pleaded guilty Thursday to securities fraud for buying and selling stocks based on details gleaned from his wife’s business conversations while both were working from home. He made $1.7 million in profits from the deal, but has agreed to forfeit those gains, the Justice Department announced in a news release.”Mr. Loudon made a serious error in judgment, which he deeply regrets and…