Following late July/early August slumps, some technology-heavy indexes are rebounding. For example, the Nasdaq-100 Index (NDX) gained 5.47%. A solid start, to be sure. Still, NDX closed the week 5.66% below its 52-week, confirming there’s more work to be done in tech. Investors considering exchange traded funds such as the Invesco QQQ Trust (QQQ) and [...] The post Betting on a Tech Rebound? Watch These Ratios appeared first on ETF Trends .