The slide this month by Oracle (ORCL) and Broadcom (AVGO) has reminded investors that artificial intelligence (AI) stocks don't move up in a straight-line fashion. They may also want to consider that prior pullbacks by mega-cap AI equities have often proven to be buying opportunities. For market participants that want to eschew market-timing and stock-picking, the Invesco QQQ Trust (QQQ) and the Invesco NASDAQ 100 ETF (QQQM) remain credible options, particularly after recent dips. Consider this: Broadcom, t ...