Zeev...
I agree that I miss a lot of opportunity by not playing such stocks, but I have a large handful of stocks that I play mostly based on tape trading, which requires me to know their trading patterns well. It takes me a while to learn new stocks at my age (you may remember about this time last year when I added CCMP and CDWC to the list) and I also keep up with the fundamentals in them, so my feeble brain is already taxed as it is.
I try to stay away from stocks I do not understand, and QCOM, EXPE, AMZN, YHOO, and EBAY all fall into that category for me.
mlsoft