Volcker's Cost

CNBC's Trish Regan sits in for Maria Bartiromo to discuss the day's top business and financial stories, and look ahead to Friday's Closing Bell.

CNBC's Mary Thompson reports on the trading day from the NYSE.

In June CNBC launched a competition to find a green start-up business and had over 200 entries from all over Europe. Philippa Malmgren, president of Principalis Asset Management, considers the final three projects.

UK banking regulations were under the spotlight again Thursday as proposals from city expert Sir David Walker were formally reviewed. Jon Dymond, director of Hay Group, has analysis of the proposals.