QQQ, the Nasdaq-100 ETF, tracks the 100 largest non-financial companies on Nasdaq azat.tv. On Friday Oct 10, QQQ plunged ~3.5% as President Trump announced plans to double tariffs on Chinese imports and restrict rare-earth exports, renewing trade war fears tipranks.com reuters.com. This knocked major tech shares lower and dragged QQQ to a 5-day decline of about 2.9% tipranks.com. Over the weekend Trump backpedaled, tweeting that he didn’t want to “hurt” China and that things would be fine, which soothed investors. On Monday, futures were up: Nasdaq 100 futures jumped ~1.8% by Monday morning reuters.com. TipRanks notes that as of pre-market Mon Oct 13, QQQ was up around 1.8% tipranks.com, recouping some losses. This volatility reflects how sensitive QQQ is to geopolitics – after all, even though QQQ is up ~16% YTD, a single weekend tweet moved it several percent.