Elon Musk (screengrab) Elon Musk defended his conduct in federal court Thursday as former Twitter shareholders accused him of deliberately driving down the company's stock price ahead of his 2022 purchase of the platform now known as X. The case, which represents Twitter shareholders who sold the stock between May 13 and Oct. 4, 2022, revolves around allegations that Musk violated federal securities laws while taking a series of calculated steps to drive down the company's stock price in an attempt to either blow up the deal or wrangle a lower sales price. This includes Musk's claims about the number of bots on Twitter. Taking the stand for the second day, Musk continued to double down on his assertion that Twitter had a much higher number of fake and spam accounts than the 5% it disclosed in regulatory filings. The problem of bots and fake accounts on Twitter wasn't new at the time Musk negotiated the deal.…