Three high-flying stocks, which all recently announced stock splits, might come crashing back to reality.Guarantees are virtually nonexistent on Wall Street... with the exception of volatility. Short-term movements in the stock market's major indexes are consistently unpredictable. During periods of heightened volatility (especially to the downside), it's not uncommon for investors to seek the safety of industry-leading businesses that have historically outperformed the benchmark S&P 500.Although the FAANG ...