Meyer Malka, a director at Robinhood Markets, Inc., has significantly increased his investment in the company by purchasing 250,000 shares at approximately $81 each, totaling around $20 million. This acquisition brings his total holdings to 8 million shares. Over the past week, Malka's cumulative purchases of HOOD stock have surpassed $50 million. Currently, Robinhood's share price is $89.36, marking a 6.67% increase for the day.