Opendoor shares popped about 10% on Friday after CEO Carrie Wheeler said she's resigning from the online real estate company, which has seen a surge in recent interest from retail investors.Pressure began building on Wheeler, who took over the top job in 2022, after the company's quarterly earnings report earlier this month failed to reassure investors that a turnaround is underway. The stock is up more than sixfold since bottoming out at 51 cents in June, a price that put the company at risk of being delis ...