Investors are actively locking in profits from their positions in major stocks, particularly Tesla (TSLA) and the Nasdaq-100 ETF (QQQ). One trader reported locking two-thirds of their TSLA positions for profits, while another confirmed that they had fully exited their TSLA holdings. The QQQ also saw significant profit-taking, with multiple traders indicating they locked in profits, including one who noted a 300% gain. Additionally, the Nasdaq is holding near its highs, with a notable options strategy involving the sale of 3,000 March $510 puts at a premium of $24.20, amounting to over $7 million in transactions.