Despite the intermittent rebounds, the U.S. financial markets have been on the decline. The leading benchmark indexes, from the Dow Jones Industrial Average to the Nasdaq Composite Index, have slumped in year-to-date trading, covering investors’ portfolios with red ink. Even robots are having a rough time making sense of the market. The AI Powered Equity ETF has slipped close to 9 percent, falling behind the benchmark S&P 500 Total Return Index by roughly 5 percent through Feb. 8. But are traders—institutional and retail—buying the dip or selling the rally? In other words, who is buying and who is selling has become the talk of Wall Street, especially as analysts try to steer their ships through the turbulence. Business media and industry observers have been combing through the quarterly 13F forms, a Securities and Exchange Commission (SEC) document submitted by institutional investment managers with more than $100 million in assets. It …