Disruptions were reported at several major retail brokerages Wednesday morning, following the speculative surge of interest in companies including GameStop /zigman2/quotes/203755179/composite GME +6.58% and AMC Entertainment /zigman2/quotes/200235402/composite AMC -6.41% , as well as a big drop in the major stock-market indexes including the S&P 500 /zigman2/quotes/210599714/realtime SPX -1.34% . The website Downdetector reported disruptions to TD Ameritrade, Robinhood, E-trade, Charles Schwab, Fidelity Investments, Interactive Brokers and Vanguard, as well as the Reddit message board that has triggered much of the activity.





