Tesla Chief Executive Elon Musk sold another $973 million in stock to pay taxes after exercising options on Tuesday, filings showed after the electric vehicle maker’s shares rebounded during regular trade. Musk acquired 2.1 million shares worth $2.2 billion at the Tuesday closing price and sold 934,091 for $973 million to pay taxes, the SEC filings showed. In a sector surge spearheaded by Rivian Automotive Inc. and Lucid Group Inc., Tesla Inc. rose 4.1 percent to close at $1,054.73, leaving its market capitalization down about $187 billion since before Musk began selling shares last week. Rivian’s stock jumped 15 percent, with the electric-car maker now up over 120 percent since its initial public offer last Wednesday. Rivian disclosed in a filing on Tuesday that its underwriters bought 22.95 million additional shares, boosting the total size of the IPO. Including those shares, Rivian’s market capitalization rose to $153 billion, overtaking Volkswagen …