Should I add to the wafer trade? Its a good question. Having looked at the wafer stocks, and read various analyst reports, there is no good third party metric to look at to signal now is the time to buy. We are only left with stocks. Today, SUMCO broke to new cycle highs, while WAF GY and GlobalWafers are also looking perky. From an investing point of view, its now when silicon wafer prices rise thats important - it is when the market begins to price in a future rise that is important. And that may be happening. The big tell is if SUMCO and WAF GY can trade up on a down day in the market.