Better credit conditions and worries about inflation are pushing yields up, explains bond expert Tony Crescenzi.   Read More

Warren Buffett's new bond insurer has seen its business "skyrocket" since opening for business just five months ago.   In a big-picture piece summarizing first quarter results, Dow Jones Newswires compares the early numbers from Berkshire Hathaway Assurance Corp. to the established, and struggling, bond insurers.    Read More

Connecticut's Attorney General Richard Blumenthal tells Bloomberg he's investigating a possible conflict of interest involving Warren Buffett's Berkshire Hathaway.   Berkshire owns a big stake in the credit rating agency Moody's, which recently gave Berkshire's new bond insurer its highest rating, a triple-A.    Read More

Warren Buffett's new municipal bond insurer has received its second AAA credit rating, just months after it was created in response to the stumbles of veteran insurers like Ambac and MBIA.  That's much faster than executives at those companies and some analysts had predicted.   Read More

Berkshire Hathaway Assurance Corp., Warren Buffett's fledgling bond insurer, has received AAA financial strength and financial enhancement ratings from Standard & Poor's Rating Services, the top rating available.    Read More

Warren Buffett's new bond insurer, Berkshire Hathaway Assurance Corp., is now licensed by 44 states and the District of Columbia.  In a statement today, the National Association of Insurance Commissioners takes credit for "providing a streamlined, uniform application process ... (to) facilitate the speedy entrance of a well-capitalized company into the bond insurance marketplace."    Read More

California's Treasurer isn't welcoming Warren Buffett's move into the bond insurance business.  He's even talking about getting the state into the business itself to compete with Berkshire Hathaway's conservative, and pricey, view of risk in the muni bond market.   Read More

Will the troubles at beleaguered bond insurers MBIA and Ambac help Assured Guaranty, one of only two bond insurers to be rated AAA by all three ratings agencies? The CEO tells Fast Money if the industry can survive.    Read More

After Ambac's bailout went bust, what can possibly help the struggling financials?    Read More

THIS IS A LIVE BLOG OF WARREN BUFFETT'S APPEARANCE ON CNBC'S SQUAWK BOX DURING THE 8am ET HOUR.  BUFFETT IS LIVE AT THE NEBRASKA FURNITURE MART (A BERKSHIRE HATHAWAY SUBSIDIARY) IN OMAHA WITH OUR BECKY QUICK TO ANSWER YOUR EMAIL QUESTIONS.   Read More