The threat of changing laws and regulations has weighed on some tech stocks. However, the hardest hit stocks have been hurt the most from changes coming from other businesses, not government regulators. For instance, earlier this year,Apple (AAPL) changed advertising-tracking policies on its devices. That’s led to poor performance in a number of companies, particularly those that offer social media services. The biggest loser?Snapchat (SNAP). Shares peaked at $83 earlier this year, and have since lost 45 percent of their value, and are down nearly 15 percent in the past year. Several...
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