MarketFoolery: 04.27.2011

Published: April 27, 2011, 8:05 p.m.

b'

Amazon reports a decline in first-quarter profits but shares jump on strong revenue growth and better-than-expected guidance.\\xa0 Is Amazon overvalued? What would an "Amazon tax" on internet commerce mean for\\xa0the company\'s\\xa0bottom line? What\'s Amazon\'s biggest opportunity?\\xa0 What\'s its biggest challenge? Our analysts tackle those questions, delve into some big news from Nokia, and offer up three big questions for Warren Buffett.

'