Representative Marjorie Taylor Greene pulled the old “I’m holding it for a friend” excuse when prompted to explain why she was listed among members of Congress with suspiciously high-performing stock portfolios.On Tuesday, the market analysis watchdog Unusual Whales dropped its annual review of the biggest market traders on Capitol Hill. Democrat lawmakers’ outpaced Republicans’ gains in no small part due to Representative Brian Higgins’s portfolio, which outperformed the S&P 500 Index by nearly