1. On April 9th, 2024, the Nasdaq saw a historic 12.2% rally, indicating potential volatility and further declines in high-flying tech stocks. 2. The ProShares UltraShort QQQ ETF is designed for short-term tactical trading and not for long-term holding. 3. Historical patterns suggest that large single-day Nasdaq gains often precede further market declines, similar to the dot-com era. 4. SQQQ is expected to offer explosive short-term opportunities, but should be avoided for more than a few weeks due to its high risk.