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The social media company's stock already has tripled in value since late last year, and a modest correction could be at hand before its shares renew gains.
Owners of Apple could be treated to a positive earnings report next week.
Let's check the charts and indicators because I am pretty sure Warren Buffett is not a chart reader.
Shares of the social media company have responded sharply -- usually downward -- to its quarterly reports; what will happen this time?