Dilok Klaisataporn Chubb Limited (NYSE:CB) has had a phenomenal financial performance after my previous analysis, posting increasing margins and solid revenue growth beyond my previous analysis' expectations. More recently in Q1, Warren Buffett seems to have noted the stock as a good buying opportunity, as a recent 13F filing shows Berkshire Hathaway's (BRK.A) (BRK.B) newly bought stake in Chubb. I previously wrote an article on Chubb titled "Chubb: A Relatively Cheap Savehaven", rating the stock at buy due ...