Tesla (TSLA) stock appears to be pulling back after second-quarter financials on July 19, as investor concerns over falling gross margins seems to be outweighing the global EV giant's earnings and revenue-beating numbers. X Meanwhile, Cathie Wood sold 20,700 shares of Tesla stock on July 25 for around $5.49 million, based on the closing price of 265.28. Ahead of earnings, Wood sold tranches of her firm's Tesla stock holdings in consecutive sessions, unloading more than 73,000 shares before the EV giant reported second-quarter financials. Tesla reported Q2 profits growing 20% to 91 cents per share while revenue increased 47% to…