Shares of Freddie Mac (OTC: FMCC), a provider of credit guarantee for residential mortgages originated by mortgage lenders, are up sharply in trading today. At last check, FMCC shares were trading 7.58% higher at $1.42 on volume of 7.79 million. The stock hit an intra-day high of $1.47. Despite the gains in trading today, FMCC shares have fallen 6% in the last three trading sessions.