Robinhood CEO Vlad Tenev defended the app’s decision to halt trading of GameStop stocks during last week’s trading turmoil, telling Tesla CEO Elon Musk during a webcast on Monday there was no “shadiness” involved and pushing back against what he referred to as “conspiracy theories.” Musk grilled Tenev during an episode of “The Good Time Show” that aired on streaming site Clubhouse, which some fans streamed on YouTube and elsewhere after the Clubhouse app’s attendance limit of 5,000 in a single chat room was exceeded. In the interview, Musk pressed Tenev to explain why Robinhood paused the trading of shares of GameStop and other companies that had been targeted by Reddit users looking to build buying momentum and profit from heavily shorted stocks. Tenev said Robinhood had to suspend trading of volatile stocks like GameStop after clearing firms, which help settle transactions on the Robinhood trading platform, demanded extra capital due …