Traders piled into Direxion's SOXS inverse semiconductor ETF with 460 million shares traded as chip stocks fell nearly 7% from all-time highs.

The $SOX index hits extreme volatility matching the 2000 Dot-Com Bubble. What this rare surge in semiconductor stocks means for tech.

Chip stocks plunged on Tuesday, one day after the Philadelphia semiconductor index, known as SOX, hit a record high.