By Luc Olinga About 40% of Nasdaq stocks, the techiest of the Big Three US indexes, have lost half their value since November, ringing a dot.com burst alarm bell. For someone who has been watching the stock market screens recently, the color red seems to dominate. And by far. After gaining 22% last year, the Nasdaq stock index is down almost 18% from its November high. It has entered a correction territory, which means it has dropped more than 10% from its recent highs. The sell-off continued on Monday, as the index was down almost 4% at the time of writing. More than half of the Nasdaq’s 3,00…