Less than three months after the Nasdaq Composite (^IXIC 0.70%) set an all-time high, the tech-heavy index is on the verge of entering a correction, which is typically defined is a pullback of 10% or more from a recent peak.In fact, on an intraday basis, the index was down more than 10% from peak to trough briefly on March 4, as concerns about new tariffs on Canada and Mexico sent the index down more than 5% over a two-day span on Monday and Tuesday before it recouped some of its losses.It's natural for inv ...