The tumble comes amid a cluster of worries that hit markets in recent weeks, including a looming unwind of the Federal Reserve's easy money policies, a jump in Treasury yields and a nasty battle among lawmakers over the U.S. debt ceiling.Many investors are hesitant to cut their exposure to technology-focused stocks, which have led markets for most of the last decade and are expected to deliver strong earnings growth even if the economic climate worsens.
Still, a heavy weighting in broader indexes, comparatively elevated valuations and wide ownership have led some investors to worry over the repercussions of a prolonged period of underperformance for tech and tech-related names. Here are a few of the metrics investors are studying as they weigh whether to stay the course in tech or pare back their holdings:Years of solid performance have made tech stocks a mainstay in portfolios across Wall Street, periodically spurring concerns that they may be susceptible to violent market swings if investors try to sell all at once.