一天砸入40亿美元！散户硬赌特朗普TACO再次完胜

Core Insights - The article discusses the resilience of retail investors in the face of market volatility, particularly during a significant drop in the S&P 500 index, where retail investors injected $4 billion into U.S. stocks on Tuesday and an additional $2.3 billion on Wednesday, coinciding with a market rebound [2][3]. Group 1: Market Reactions - Retail investors have adopted a "buy the dip" strategy, which gained traction during the COVID-19 pandemic and matured during the meme stock frenzy in 2021, now seeing renewed application during Trump's second term [2]. - The trading logic dubbed "TACO" (Trump Always Comes Out) suggests that any market drop due to tariff threats is viewed as a "golden buying opportunity," a strategy that has proven effective in previous instances [2][3]. - The influx of retail investment has been significant, with exchange-traded funds (ETFs) capturing a large portion of this demand, particularly broad stock ETFs, which saw record inflows during the week ending January 21 [2]. Group 2: Retail Investor Behavior - Retail trading activity has reached historical highs, with retail investors accounting for nearly a quarter of U.S. exchange activity, demonstrating their strong presence in the market [3]. - Technology stocks continue to dominate retail investor demand, followed by consumer discretionary and communication services, with Tesla and Amazon being top picks, alongside other tech stocks like Netflix and Micron Technology [4]. - Retail investors are also actively engaging in the derivatives market, with daily trading volumes of stocks and options contracts exceeding average levels from January 2020 to 2025 by over 40% [4].