Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. As U.S. stocks extend their losses, some of the biggest decliners are companies popular with hedge funds. Of the year’s 100 worst-performing companies larger than $1 billion as of Jan. 19, more than half are at least 10 percent owned by hedge funds, and 17 are at least 25 percent owned by such funds. Below we highlight some of the biggest losers in that group. One caveat: most of the funds’...