Shares of Fannie Mae (OTC: FNMA), a government-sponsored enterprise providing liquidity and stability to the secondary mortgage market, are climbing in trading today. At last check, FNMA shares were trading 6.78% higher at $1.26 on volume of 50.99 million. The stock hit an intra-day high of $1.38 earlier today. Despite the gains today, FNMA shares have fallen 29.44% in the last three trading sessions. FNMA shares had plunged in the previous trading session after a bipartisan group of senators introduced a legislation to wind down the mortgage giant. Shares of Cleantech Transit Inc. (OTC: CLNO), a company focused on building a portfolio of environmentally friendly green assets, are soaring in trading today. At last check, CLNO shares were trading 21.62% higher at $0.225 on above average volume of 1.12 million. The stock hit a 52-week high of $0.23 earlier today. CLNO shares have gained more than 37.50% in the last three trading sessions. CLNO, last week, announced that it acquired 81% of the issued and outstanding shares of Discovery Carbon Environmental Securities Corporation. The acquisition will allow CLNO to advance its strategy of developing significant market share in the alternative clean energy sector. Shares of ImageWare Systems Inc. (OTC: IWSY), a provider of biometrically enabled software-based identity management solutions for biometrics, secure credential, and law enforcement and public safety markets, are climbing in trading today. At last check, IWSY shares were trading 7.21% higher at $2.38 on above average volume of 251,239. The stock hit a 52-week high of $2.42 earlier today. IWSY shares have gained nearly 9.70% in the last three trading sessions.