So where is the ping-pong index at? https://www.wsj.com/articles/is-the-tech-bubble-popping-ping-pong-offers-an-answer-1462286089 https://www.wsj.com/articles/

So where is the ping-pong index at? https://www.wsj.com/articles/is-the-tech-bubble-popping-ping-pong-offers-an-answer-1462286089 https://www.wsj.com/articles/is-the-tech-bubble-popping-ping...