Diversification isn't a necessity if you know what you're doing, according to Buffett.
Compare AAPL Stock to Peers
|Symbol||Last Price||Market Cap||% Δ 1 Yr||% Δ 5 Yr|
News & Analysis: Apple
Is there trouble in store for the lightening port?
The iPhone maker could soon regain its mojo.
The tech giant announces its latest results in just a few days.
These Buffett favorites could strengthen your portfolio.
The company wants to keep processing all of your in-app payments.
Industry Focus opens up the mailbag about this and other subjects.
Even the cloud computing universe hasn't been spared.
The rumor mill is buzzing these days.
From memory chips to mobile gaming, these three stocks will benefit from growing demand for all things 5G.