Tesla Inc’s stock rebounded on Wednesday in volatile trading after a multi-day selloff endangered the electric-car maker’s position in the $1 trillion club. Tesla rallied almost 3 percent at $1,054, on track to close higher for the first time since Chief Executive Elon Musk on Saturday polled Twitter users about selling 10 percent of his stake. Earlier in the session, Tesla dropped as much as 3.5 percent, briefly pulling the company’s market value below the $1 trillion mark reached last month. While Tesla has lost over $160 billion in market value this week, retail investors have been net buyers of the stock. Some 59 percent of recent Tesla trade orders on Fidelity’s brokerage website have been for purchases, rather than sales. Even as Tesla’s stock tumbled on Monday and Tuesday, retail investors made net purchases of $157 million, according to Vanda Research. Tesla is now up 50 percent in 2021, …