If billionaire Mike Bloomberg starts looking like a front-runner in the 2020 presidential elections, putting out stock offerings on Fannie Mae and Freddie Mac could prove difficult.

Concerned about relaxed appraisal standards for mortgage originations, two senior members of the House Financial Services Committee want the Government Accountability Office to conduct a study.

Fannie Mae reported ”fair value losses” of $2.2 billion for 2019. That’s compared to a $1.1 billion gain in 2018, and a $1.2 billion loss in 2017. Volatility in the company’s income reflects its hedging operations.