Where's the nearest cash machine? <a href="http://www.joyworld.com/blog/2013/01/post-3059.php">usa medical supply</a>  So why do fund managers still say the U.S. market is the most attractive? Surprisingly, even at these levels, one answer is still-attractive valuations in parts of the market, says Timothy Hartch, who co-manages the BBH Global Core Select and BBH Core Select funds for Brown Brothers Harriman.