Is This Pullback a Buying Opportunity? Let's Check the Charts Here's a look at the broader market via the S&P 500 and a trio of stocks that recently have pushed significantly downward. Stocks quotes in this article: PLUG, ROKU, PYPL We're finally seeing a pullback in the indices and the market in generalThe question we are all asking is whether this is a great buying opportunity or whether we will see a lot more action on the downsideNo one knows for sure, but I do have some parameters to watch in both time and price via the chartsFirst, let's start with a weekly chart of S&P...