Citadel Securities: US retail investors net bought $9.1 billion in US stocks last week, the highest in 15 weeks.

October 14 — Bloomberg on Tuesday, citing Citadel Securities data, reported that retail investors on the platform net bought $9.1 billion of U.S. stocks last week, the highest in 15 weeks. Semiconductors were the focus of the capital concentration. Retail investors on Citadel Securities' platform net bought $2.6 billion of semiconductor stocks last week, the third-highest weekly level in the past year; AI infrastructure stocks drew another roughly $2.4 billion in buying.

Scott Rubner, head of equity and derivatives strategy at Citadel Securities, attributed the strengthening of this round of buying to improved directional confidence. The platform's retail weekly buying skew reached the 90th percentile, while total trading volume was at the 42nd percentile over the past year.