Weekly Robinhood investing flows report highlighted a spike in semiconductor stock purchases, correlating with strong PMI manufacturing numbers. Robinhood Markets, Inc. (NASDAQ: HOOD ) is one of the noteworthy Q3 stocks Jim Cramer was focused on. Cramer called it a “relentless performer” and remarked: It had 26.5 million customers as of the end of the second quarter, and $989 million in revenue, a 45% year-over-year increase. Since it doesn't charge for trades, it makes money in other ways; it uses a payment for order flow model , where market makers give it a fee to make its trades, it makes net interest income on platform assets, and it takes fees for its Robinhood Gold membership program. Robinhood investing patterns indicate a rotation into energy stocks, with XOM and CVX gaining traction amid crude price recovery above $82/bbl.