Apple Volatility Highlights Wary Tech Trading Before Earnings

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Uneasiness over a surging dollar has options traders protecting against losses in technology companies from Apple Inc. to Microsoft Corp. ahead of earnings announcements this week.

Demand for options that protect against future losses in shares of an exchange-traded fund tracking companies in the technology-heavy Nasdaq 100 Index rose to the highest level in more than two years relative to bullish ones, according to data compiled by Bloomberg. Anxiety over Apple shares is at the highest in seven quarters before its earnings on Tuesday.