Having pioneered commission-free trading, Robinhood (NASDAQ:HOOD) is viewed as one of the most innovative online brokerages available for retail investors.

The company proved this yet again in the second quarter, showing just how much its early foray into the prediction markets is paying off.

Missed Nvidia in 2009? This Rare Signal Is Flashing Again. In 2009, a “Double Down” signal flashed for a little-known chipmaker called Nvidia. For the first time in years, that same “Total Conviction” signal is flashing for a company 1/100th the size of Nvidia. Continue »

Robinhood saw its transaction revenue from event-based contracts soar to $156 million in the second quarter, up over $50 million from…