Ralph F

Turbulence in the Wireless Industry: Who Benefits?

Nice overview. This focuses on developed markets, particularly the US. But in developing markets, where the opportunity is arguably much larger, the race is for basic voice access, not for data services.

Apple to Unveil Ringtones for iPhone -- NY Post

Has anyone estimated what revenue Apple could generate from ringtones? If you can use songs you already bought, it might not be large.

Four Picks in a Retail Slowdown

Look at the hit WU took when Verizon just now announced its payments via cell phone. WU is old, expensive technology. I'd never go long this stock.

What's Driving Amazon's Stock Price?

Has Amazon generated any meaningful revenues yet from its Web services?

Here's Why Amazon Won't Buy Netflix

"The Bulls point out that Internet companies are worth 15 times cash flow. Yahoo (YHOO) trades at 14.7 times cash flow. But Yahoo has true Internet margins, with Net margins (when stock based comp is added back) of over 11% versus Netflix's 5%. Why would anyone pay the same multiple for less than half the net income?"

Multiples aren't related to margins, they're related to growth. You can have a company generating a 1% net income margin trading at a high multiple if its income is growing fast.

Internet Sales Tax Could Put A Damper On Rumored Amazon-Netflix Deal

Totally convincing -- great point.

Jim Cramer's Mad Money In-Depth Stock Picks, May 24

Does this mean he was bullish on Amazon or bearish? Sounds like he thinks it's overvalued but has momentum.