Activity in the stock market over the last three months has been marked by a notable rise in volatility and a flat performance from the broad market. However, by using the Zacks Rank, and looking beneath the surface, investors may be able to find big winners regardless of the market environment.Below I have highlighted three stocks with top Zacks Ranks that have massively outperformed the market over the last three months and enjoy catalysts for further price appreciation. SharkNinja, Inc. ((SN), KT ((KT) a ...